91 bai tap cau dieu kien
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Cách làm bài tập "CÂU ĐIỀU KIỆN"
Loại 1
IF + S + V (hiện tại) , S + WILL ( CAN, MAY...) + V (nguyên mẫu)
Cách dùng: Câu điều kiện loại 1 dùng để Chỉ sự việc có thể xảy ra ở hiện tại hoặc tương lai.
Ví dụ: If it is sunny, I will go fishing. ( nếu trời nắng, tôi sẽ đi câu)
Bài tập 1. Về câu điều kiện loại 1
1. If we……..........(to send) an invitation, our friends........................(to come) to our party.
2) He...............(not/to understand) you if you……………….. (whisper ).
3) She..............(to forget) to pick you up if you ……………….(not/to phone) her.
4) If you.................(to press) CTRL + s, you...................(to save) the file.
5) I...........(to remember) you if you........................(to give) me a photo.
6) Fred................(to answer) the phone if his wife ………………(to have) a bath.
7) If Claire...........(to wear) this dress at the party, her friends ....................( satisfied)
8) If I...........(to touch) this snake, my girlfriend...................(not/to scream).
Exercise 2: Choose the best answer for each of the following sentences.
1. _____have enough apples, she’ll make an apple pie this afternoon.
A.Should she
B. If she
C. Will she
D. Unless she
2. If you_____to me, you wouldn’t have got so much trouble.
A. listened
B. would listen
C. had listened
D. Would have listened
3. If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must
B. will
C. should
D. ought
4. If the sun _____, we _____for a walk.
A. shines / will go
B. shone / will go C. shone / would go D. had shone / would go
5. The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained
B. wouldn’t have been cancelled / hadn’t rained
C. would have been cancelled / hadn’t rained
D. will be cancelled / rains
6. But for our parents, we _____ successful in life.
A. will never be
B. would never be C. wouldn’t have be D. would have never been
1
7. If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have
B. didn’t leave / would have
C. hadn’t left / would have
D. hadn’t left / would have had
8. It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know
B. is / will know
C. had been / would have known
D. was / would know
9. If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study
B. had studied
C. studied
D. were studying
10.I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for
B. unless / for
C. or / of
D. whether / or
11._____ if you work harder, you will be sacked.
A. Whether
B. If
C. However
D. Unless
12.I think you should stop smoking.
A. If I am you, I will stop smoking.
B. If I were you, I will stop smoking.
C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking.
13.If you take the ice out of the fridge, it _____.
A. vaporizes
B. melts
C. heats
D. disappears
14.We should do something to protect water from being polluted _____we will have nothing to
drink in the future.
A. if
B. whether
C. or
D. unless
15.Let’s knock on their door to see _____ home.
A. if they’re
B. unless they’re
C. whether they were
D. if they were
16.Unless we _____ more snow, we can’t go skiing.
A. will have
B. have
C. have had
D. had
17.You’ll fail the exam _____ you start revising.
A. if
B. until
C. when
D. unless
18.Unless you wash the car, you _____ not drive it at the weekend.
A. would
B. could
C. have to
D. may
19.If Peter _____ his car before the drive, he _____ the problem of out of petrol.
A. checked / will not get
B. had checked / would not have got
2
C. checks / will not have got
D. would be checking / will not have got
20.He stepped on the mine, and it exploded.
A. If he doesn’t step on the mine, it doesn’t explode.
B. If he doesn’t step on the mine, it won’t explode.
C. If he didn’t step on the mine, it wouldn’t explode.
D. If he hadn’t stepped on the mine, it wouldn’t have exploded.
21.In my experiments, the liquid is cooled to 32ºF. It always freezes.
A. If you cool the liquid to 32 degrees, it froze.
B. If you cooled the liquid to 32 degrees, it would freeze.
C. If you cool the liquid to 32 degrees, it will freeze.
D. If you had cooled the liquid to 32 degrees, it would have frozen.
22. It may rain this afternoon. I hope it doesn’t because I don’t want the match to be canceled.
A. If it rains, the match is canceled.
B. If it rains, the match will be canceled.
C. if it rained, the match would be canceled.
D. If it had rained, the match would have been canceled.
23. Unfortunately, I don’t know Philosophy, so I can’t answer your question.
A. If I know Philosophy, I can answer your question.
B. If I know Philosophy, I will be able to answer your question.
C. If I knew Philosophy, I would be able to answer your question.
D. If I had known Philosophy, I would have been able to answer your question.
24. _____ there are some more ideas, we can end the meeting now.
A. If
B. As if
C. Unless
D. In case
25. If he _____ with us now, he _____ the beauty of nature of the National Park.
A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy
26. If they had searched more carefully, they…the watch sooner.
A. will find
B. would find
C. found
D. would have found
27.If I had got up early, I _____ to have breakfast now.
A. have
B.I had
C. would have
D. would have had
28.I cannot buy a new computer _____ I save enough money.
A. if
B. even if
C. unless
D. as if
3
29.Most people you meet will be polite to you _____.
A. if you are polite to them
B. if you will be polite to them
C. unless you are polite to them
D. if you were polite to them
30.If you do so, it _____ the matter worse.
A. makes only B. would only make C. will only make D. had only made
31.You _____ English fluently unless you practice it every day.
A. will speak B. will not speak C. can speak
D. did not speak
32.Hurry up _____ you will miss the bus and be late for school.
A. if
B. and
C. or
D. as
33.You will get a good seat if you _____ first.
A. come
B. came
C. have come
D. will come
34.Sam will not graduate_____.
A. if he passed all the tests
B. if he does not pass all the tests.
C. unless he passes all the tests
D. unless he had passed all the tests.
35.If I had time, I would go with you.
A.I am free and surely go with you.
B.I am too busy to go with you.
C. I will go with you because I have time.
D. I am free enough to go with you.
36.If Margaret hadn’t been wearing a seat belt, she…. Injured.
A. has been
B. would has been C. would be
D. would have been
37.If I _____ the rain yesterday, I_____ ill.
A. had not caught / would have been B. had not caught / would have not been
C. have not caught / were not
D. have not caught / would have been
38.He looked frightened as if he _____ a ghost.
A. sees
B. is seeing
C. has seen
D. had seen
39.What _____if there _____ a serious nuclear accident.
A. will happen / was
C. would happen / were
B. happens / were
D. would happen / had been
Đáp án
1.
send/will come
2.
will not understand/whisper.
4
3.
will forget/do not phone
6.
will answer/has
4.
press/will save
7.
wears/will not stay
5.
will remember/give
8.
touch/will not scream.
Key: 1.A
2.C
3.C
4.A
5.B
6.D
7.C
8.A
9.B
10.B
11.D
12.C
13.C
14.C
15.A
16.B
17.D
18.D
19.B
20.D
21C
22.B
23.C
24.C
25.D
26.D
27.C
28.C
29.A
30.C
31.B
32.C
33.A
34.B
35.B
36.D
37.B
38.D
39.C
Cách làm bài tập "CÂU ĐIỀU KIỆN"
Loại 1
IF + S + V (hiện tại) , S + WILL ( CAN, MAY...) + V (nguyên mẫu)
Cách dùng: Câu điều kiện loại 1 dùng để Chỉ sự việc có thể xảy ra ở hiện tại hoặc tương lai.
Ví dụ: If it is sunny, I will go fishing. ( nếu trời nắng, tôi sẽ đi câu)
Bài tập 1. Về câu điều kiện loại 1
2. If we……..........(to send) an invitation, our friends........................(to come) to our party.
2) He...............(not/to understand) you if you……………….. (whisper ).
3) She..............(to forget) to pick you up if you ……………….(not/to phone) her.
4) If you.................(to press) CTRL + s, you...................(to save) the file.
5) I...........(to remember) you if you........................(to give) me a photo.
6) Fred................(to answer) the phone if his wife ………………(to have) a bath.
7) If Claire...........(to wear) this dress at the party, her friends ....................( satisfied)
8) If I...........(to touch) this snake, my girlfriend...................(not/to scream).
Exercise 2: Choose the best answer for each of the following sentences.
40._____have enough apples, she’ll make an apple pie this afternoon.
5
A.Should she
B. If she
C. Will she
D. Unless she
41.If you_____to me, you wouldn’t have got so much trouble.
A. listened
B. would listen
C. had listened
D. Would have listened
42.If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must
B. will
C. should
D. ought
43.If the sun _____, we _____for a walk.
A. shines / will go
B. shone / will go C. shone / would go D. had shone / would go
44.The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained
B. wouldn’t have been cancelled / hadn’t rained
C. would have been cancelled / hadn’t rained
D. will be cancelled / rains
45.But for our parents, we _____ successful in life.
A. will never be
B. would never be C. wouldn’t have be D. would have never been
46.If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have
B. didn’t leave / would have
C. hadn’t left / would have
D. hadn’t left / would have had
47.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know
B. is / will know
C. had been / would have known
D. was / would know
48.If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study
B. had studied
C. studied
D. were studying
49.I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for
B. unless / for
C. or / of
D. whether / or
50._____ if you work harder, you will be sacked.
A. Whether
B. If
C. However
D. Unless
51.I think you should stop smoking.
A. If I am you, I will stop smoking.
B. If I were you, I will stop smoking.
C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking.
52.If you take the ice out of the fridge, it _____.
A. vaporizes
B. melts
C. heats
D. disappears
53.We should do something to protect water from being polluted _____we will have nothing to
6
drink in the future.
A. if
B. whether
C. or
D. unless
54.Let’s knock on their door to see _____ home.
A. if they’re
B. unless they’re
C. whether they were
D. if they were
55.Unless we _____ more snow, we can’t go skiing.
A. will have
B. have
C. have had
D. had
56.You’ll fail the exam _____ you start revising.
A. if
B. until
C. when
D. unless
57.Unless you wash the car, you _____ not drive it at the weekend.
A. would
B. could
C. have to
D. may
58.If Peter _____ his car before the drive, he _____ the problem of out of petrol.
A. checked / will not get
B. had checked / would not have got
C. checks / will not have got
D. would be checking / will not have got
59.He stepped on the mine, and it exploded.
E. If he doesn’t step on the mine, it doesn’t explode.
F. If he doesn’t step on the mine, it won’t explode.
G. If he didn’t step on the mine, it wouldn’t explode.
H. If he hadn’t stepped on the mine, it wouldn’t have exploded.
60.In my experiments, the liquid is cooled to 32ºF. It always freezes.
E. If you cool the liquid to 32 degrees, it froze.
F. If you cooled the liquid to 32 degrees, it would freeze.
G. If you cool the liquid to 32 degrees, it will freeze.
H. If you had cooled the liquid to 32 degrees, it would have frozen.
61. It may rain this afternoon. I hope it doesn’t because I don’t want the match to be canceled.
A. If it rains, the match is canceled.
B. If it rains, the match will be canceled.
C. if it rained, the match would be canceled.
D. If it had rained, the match would have been canceled.
62. Unfortunately, I don’t know Philosophy, so I can’t answer your question.
E. If I know Philosophy, I can answer your question.
F. If I know Philosophy, I will be able to answer your question.
7
G. If I knew Philosophy, I would be able to answer your question.
H. If I had known Philosophy, I would have been able to answer your question.
63. _____ there are some more ideas, we can end the meeting now.
A. If
B. As if
C. Unless
D. In case
64. If he _____ with us now, he _____ the beauty of nature of the National Park.
A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy
65. If they had searched more carefully, they…the watch sooner.
A. will find
B. would find
C. found
D. would have found
66.If I had got up early, I _____ to have breakfast now.
A. have
B.I had
C. would have
D. would have had
67.I cannot buy a new computer _____ I save enough money.
A. if
B. even if
C. unless
D. as if
68.Most people you meet will be polite to you _____.
A. if you are polite to them
B. if you will be polite to them
C. unless you are polite to them
D. if you were polite to them
69.If you do so, it _____ the matter worse.
A. makes only B. would only make C. will only make D. had only made
70.You _____ English fluently unless you practice it every day.
A. will speak B. will not speak C. can speak
D. did not speak
71.Hurry up _____ you will miss the bus and be late for school.
A. if
B. and
C. or
D. as
72.You will get a good seat if you _____ first.
A. come
B. came
C. have come
D. will come
73.Sam will not graduate_____.
A. if he passed all the tests
B. if he does not pass all the tests.
C. unless he passes all the tests
D. unless he had passed all the tests.
74.If I had time, I would go with you.
A.I am free and surely go with you.
B.I am too busy to go with you.
C. I will go with you because I have time.
D. I am free enough to go with you.
75.If Margaret hadn’t been wearing a seat belt, she…. Injured.
8
A. has been
B. would has been C. would be
D. would have been
76.If I _____ the rain yesterday, I_____ ill.
A. had not caught / would have been B. had not caught / would have not been
C. have not caught / were not
D. have not caught / would have been
77.He looked frightened as if he _____ a ghost.
A. sees
B. is seeing
C. has seen
D. had seen
78.What _____if there _____ a serious nuclear accident.
A. will happen / was
B. happens / were
C. would happen / were
D. would happen / had been
Đáp án
9.
send/will come
13. will remember/give
10. will not understand/whisper.
14. will answer/has
11. will forget/do not phone
15. wears/will not stay
12. press/will save
16. touch/will not scream.
Key: 1.A
2.C
3.C
4.A
5.B
6.D
7.C
8.A
9.B
10.B
11.D
12.C
13.C
14.C
15.A
16.B
17.D
18.D
19.B
20.D
21C
22.B
23.C
24.C
25.D
26.D
27.C
28.C
29.A
30.C
31.B
32.C
33.A
34.B
35.B
36.D
37.B
38.D
39.C
Cách làm bài tập "CÂU ĐIỀU KIỆN"
Loại 1
IF + S + V (hiện tại) , S + WILL ( CAN, MAY...) + V (nguyên mẫu)
Cách dùng: Câu điều kiện loại 1 dùng để Chỉ sự việc có thể xảy ra ở hiện tại hoặc tương lai.
9
Ví dụ: If it is sunny, I will go fishing. ( nếu trời nắng, tôi sẽ đi câu)
Bài tập 1. Về câu điều kiện loại 1
3. If we……..........(to send) an invitation, our friends........................(to come) to our party.
2) He...............(not/to understand) you if you……………….. (whisper ).
3) She..............(to forget) to pick you up if you ……………….(not/to phone) her.
4) If you.................(to press) CTRL + s, you...................(to save) the file.
5) I...........(to remember) you if you........................(to give) me a photo.
6) Fred................(to answer) the phone if his wife ………………(to have) a bath.
7) If Claire...........(to wear) this dress at the party, her friends ....................( satisfied)
8) If I...........(to touch) this snake, my girlfriend...................(not/to scream).
Exercise 2: Choose the best answer for each of the following sentences.
79._____have enough apples, she’ll make an apple pie this afternoon.
A.Should she
B. If she
C. Will she
D. Unless she
80.If you_____to me, you wouldn’t have got so much trouble.
A. listened
B. would listen
C. had listened
D. Would have listened
81.If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must
B. will
C. should
D. ought
82.If the sun _____, we _____for a walk.
A. shines / will go
B. shone / will go C. shone / would go D. had shone / would go
83.The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained
B. wouldn’t have been cancelled / hadn’t rained
C. would have been cancelled / hadn’t rained
D. will be cancelled / rains
84.But for our parents, we _____ successful in life.
A. will never be
B. would never be C. wouldn’t have be D. would have never been
85.If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have
C. hadn’t left / would have
B. didn’t leave / would have
D. hadn’t left / would have had
86.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
10
A. were / would know
B. is / will know
C. had been / would have known
D. was / would know
87.If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study
B. had studied
C. studied
D. were studying
88.I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for
B. unless / for
C. or / of
D. whether / or
89._____ if you work harder, you will be sacked.
A. Whether
B. If
C. However
D. Unless
90.I think you should stop smoking.
A. If I am you, I will stop smoking.
B. If I were you, I will stop smoking.
C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking.
91.If you take the ice out of the fridge, it _____.
A. vaporizes
B. melts
C. heats
D. disappears
92.We should do something to protect water from being polluted _____we will have nothing to
drink in the future.
A. if
B. whether
C. or
D. unless
93.Let’s knock on their door to see _____ home.
A. if they’re
B. unless they’re
C. whether they were
D. if they were
94.Unless we _____ more snow, we can’t go skiing.
A. will have
B. have
C. have had
D. had
95.You’ll fail the exam _____ you start revising.
A. if
B. until
C. when
D. unless
96.Unless you wash the car, you _____ not drive it at the weekend.
A. would
B. could
C. have to
D. may
97.If Peter _____ his car before the drive, he _____ the problem of out of petrol.
A. checked / will not get
B. had checked / would not have got
C. checks / will not have got
D. would be checking / will not have got
98.He stepped on the mine, and it exploded.
I. If he doesn’t step on the mine, it doesn’t explode.
J. If he doesn’t step on the mine, it won’t explode.
11
K. If he didn’t step on the mine, it wouldn’t explode.
L. If he hadn’t stepped on the mine, it wouldn’t have exploded.
99.In my experiments, the liquid is cooled to 32ºF. It always freezes.
I. If you cool the liquid to 32 degrees, it froze.
J. If you cooled the liquid to 32 degrees, it would freeze.
K. If you cool the liquid to 32 degrees, it will freeze.
L. If you had cooled the liquid to 32 degrees, it would have frozen.
100.
It may rain this afternoon. I hope it doesn’t because I don’t want the match to be
canceled.
A. If it rains, the match is canceled.
B. If it rains, the match will be canceled.
C. if it rained, the match would be canceled.
D. If it had rained, the match would have been canceled.
101.
Unfortunately, I don’t know Philosophy, so I can’t answer your question.
I. If I know Philosophy, I can answer your question.
J. If I know Philosophy, I will be able to answer your question.
K. If I knew Philosophy, I would be able to answer your question.
L. If I had known Philosophy, I would have been able to answer your question.
102.
_____ there are some more ideas, we can end the meeting now.
A. If
103.
B. As if
C. Unless
D. In case
If he _____ with us now, he _____ the beauty of nature of the National Park.
A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy
104.
If they had searched more carefully, they…the watch sooner.
A. will find
105.
D. would have found
B.I had
C. would have
D. would have had
I cannot buy a new computer _____ I save enough money.
A. if
107.
C. found
If I had got up early, I _____ to have breakfast now.
A. have
106.
B. would find
B. even if
C. unless
D. as if
Most people you meet will be polite to you _____.
A. if you are polite to them
C. unless you are polite to them
B. if you will be polite to them
D. if you were polite to them
12
108.
If you do so, it _____ the matter worse.
A. makes only B. would only make C. will only make D. had only made
109.
You _____ English fluently unless you practice it every day.
A. will speak B. will not speak C. can speak
110.
Hurry up _____ you will miss the bus and be late for school.
A. if
111.
B. and
C. or
D. as
You will get a good seat if you _____ first.
A. come
112.
B. came
C. have come
B. if he does not pass all the tests.
C. unless he passes all the tests
D. unless he had passed all the tests.
If I had time, I would go with you.
A.I am free and surely go with you.
B.I am too busy to go with you.
C. I will go with you because I have time.
114.
D. I am free enough to go with you.
If Margaret hadn’t been wearing a seat belt, she…. Injured.
A. has been
115.
D. will come
Sam will not graduate_____.
A. if he passed all the tests
113.
D. did not speak
B. would has been C. would be
D. would have been
If I _____ the rain yesterday, I_____ ill.
A. had not caught / would have been B. had not caught / would have not been
C. have not caught / were not
116.
He looked frightened as if he _____ a ghost.
A. sees
117.
D. have not caught / would have been
B. is seeing
C. has seen
D. had seen
What _____if there _____ a serious nuclear accident.
A. will happen / was
B. happens / were
C. would happen / were
D. would happen / had been
Đáp án
17. send/will come
21. will remember/give
18. will not understand/whisper.
22. will answer/has
19. will forget/do not phone
23. wears/will not stay
20. press/will save
24. touch/will not scream.
13
Key: 1.A
2.C
3.C
4.A
5.B
6.D
7.C
8.A
9.B
10.B
11.D
12.C
13.C
14.C
15.A
16.B
17.D
18.D
19.B
20.D
21C
22.B
23.C
24.C
25.D
26.D
27.C
28.C
29.A
30.C
31.B
32.C
33.A
34.B
35.B
36.D
37.B
38.D
39.C
Cách làm bài tập "CÂU ĐIỀU KIỆN"
Loại 1
IF + S + V (hiện tại) , S + WILL ( CAN, MAY...) + V (nguyên mẫu)
Cách dùng: Câu điều kiện loại 1 dùng để Chỉ sự việc có thể xảy ra ở hiện tại hoặc tương lai.
Ví dụ: If it is sunny, I will go fishing. ( nếu trời nắng, tôi sẽ đi câu)
Bài tập 1. Về câu điều kiện loại 1
4. If we……..........(to send) an invitation, our friends........................(to come) to our party.
2) He...............(not/to understand) you if you……………….. (whisper ).
3) She..............(to forget) to pick you up if you ……………….(not/to phone) her.
4) If you.................(to press) CTRL + s, you...................(to save) the file.
5) I...........(to remember) you if you........................(to give) me a photo.
6) Fred................(to answer) the phone if his wife ………………(to have) a bath.
7) If Claire...........(to wear) this dress at the party, her friends ....................( satisfied)
8) If I...........(to touch) this snake, my girlfriend...................(not/to scream).
Exercise 2: Choose the best answer for each of the following sentences.
118.
_____have enough apples, she’ll make an apple pie this afternoon.
A.Should she
B. If she
C. Will she
D. Unless she
14
119.
If you_____to me, you wouldn’t have got so much trouble.
A. listened
120.
B. will
C. should
D. ought
B. shone / will go C. shone / would go D. had shone / would go
The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained
B. wouldn’t have been cancelled / hadn’t rained
C. would have been cancelled / hadn’t rained
123.
B. would never be C. wouldn’t have be D. would have never been
If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have
B. didn’t leave / would have
C. hadn’t left / would have
125.
D. hadn’t left / would have had
It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know
B. is / will know
C. had been / would have known
126.
C. studied
D. were studying
B. unless / for
C. or / of
D. whether / or
_____ if you work harder, you will be sacked.
A. Whether
129.
B. had studied
I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for
128.
D. was / would know
If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study
127.
D. will be cancelled / rains
But for our parents, we _____ successful in life.
A. will never be
124.
D. Would have listened
If the sun _____, we _____for a walk.
A. shines / will go
122.
C. had listened
If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must
121.
B. would listen
B. If
C. However
D. Unless
I think you should stop smoking.
A. If I am you, I will stop smoking.
B. If I were you, I will stop smoking.
C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking.
130.
If you take the ice out of the fridge, it _____.
A. vaporizes
131.
B. melts
C. heats
D. disappears
We should do something to protect water from being polluted _____we will have
nothing to drink in the future.
15
A. if
132.
B. whether
B. have
B. until
D. if they were
C. have had
D. had
C. when
D. unless
Unless you wash the car, you _____ not drive it at the weekend.
A. would
136.
C. whether they were
You’ll fail the exam _____ you start revising.
A. if
135.
B. unless they’re
Unless we _____ more snow, we can’t go skiing.
A. will have
134.
D. unless
Let’s knock on their door to see _____ home.
A. if they’re
133.
C. or
B. could
C. have to
D. may
If Peter _____ his car before the drive, he _____ the problem of out of petrol.
A. checked / will not get
B. had checked / would not have got
C. checks / will not have got
D. would be checking / will not have got
137.
He stepped on the mine, and it exploded.
M. If he doesn’t step on the mine, it doesn’t explode.
N. If he doesn’t step on the mine, it won’t explode.
O. If he didn’t step on the mine, it wouldn’t explode.
P. If he hadn’t stepped on the mine, it wouldn’t have exploded.
138.
In my experiments, the liquid is cooled to 32ºF. It always freezes.
M. If you cool the liquid to 32 degrees, it froze.
N. If you cooled the liquid to 32 degrees, it would freeze.
O. If you cool the liquid to 32 degrees, it will freeze.
P. If you had cooled the liquid to 32 degrees, it would have frozen.
139.
It may rain this afternoon. I hope it doesn’t because I don’t want the match to be
canceled.
A. If it rains, the match is canceled.
B. If it rains, the match will be canceled.
C. if it rained, the match would be canceled.
D. If it had rained, the match would have been canceled.
140.
Unfortunately, I don’t know Philosophy, so I can’t answer your question.
M. If I know Philosophy, I can answer your question.
N. If I know Philosophy, I will be able to answer your question.
16
O. If I knew Philosophy, I would be able to answer your question.
P. If I had known Philosophy, I would have been able to answer your question.
141.
_____ there are some more ideas, we can end the meeting now.
A. If
142.
B. As if
C. Unless
D. In case
If he _____ with us now, he _____ the beauty of nature of the National Park.
A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy
143.
If they had searched more carefully, they…the watch sooner.
A. will find
144.
B.I had
C. would have
B. even if
D. would have had
C. unless
D. as if
Most people you meet will be polite to you _____.
A. if you are polite to them
B. if you will be polite to them
C. unless you are polite to them
147.
D. would have found
I cannot buy a new computer _____ I save enough money.
A. if
146.
C. found
If I had got up early, I _____ to have breakfast now.
A. have
145.
B. would find
D. if you were polite to them
If you do so, it _____ the matter worse.
A. makes only B. would only make C. will only make D. had only made
148.
You _____ English fluently unless you practice it every day.
A. will speak B. will not speak C. can speak
149.
Hurry up _____ you will miss the bus and be late for school.
A. if
150.
B. and
C. or
B. came
C. have come
B. if he does not pass all the tests.
C. unless he passes all the tests
D. unless he had passed all the tests.
If I had time, I would go with you.
A.I am free and surely go with you.
B.I am too busy to go with you.
C. I will go with you because I have time.
153.
D. will come
Sam will not graduate_____.
A. if he passed all the tests
152.
D. as
You will get a good seat if you _____ first.
A. come
151.
D. did not speak
D. I am free enough to go with you.
If Margaret hadn’t been wearing a seat belt, she…. Injured.
17
A. has been
154.
B. would has been C. would be
D. would have been
If I _____ the rain yesterday, I_____ ill.
A. had not caught / would have been B. had not caught / would have not been
C. have not caught / were not
155.
He looked frightened as if he _____ a ghost.
A. sees
156.
D. have not caught / would have been
B. is seeing
C. has seen
D. had seen
What _____if there _____ a serious nuclear accident.
A. will happen / was
B. happens / were
C. would happen / were
D. would happen / had been
Đáp án
25. send/will come
29. will remember/give
26. will not understand/whisper.
30. will answer/has
27. will forget/do not phone
31. wears/will not stay
28. press/will save
32. touch/will not scream.
Key: 1.A
2.C
3.C
4.A
5.B
6.D
7.C
8.A
9.B
10.B
11.D
12.C
13.C
14.C
15.A
16.B
17.D
18.D
19.B
20.D
21C
22.B
23.C
24.C
25.D
26.D
27.C
28.C
29.A
30.C
31.B
32.C
33.A
34.B
35.B
36.D
37.B
38.D
39.C
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