Kiểm tra 15 phút anh văn 11A unit 7

Name : ……………………………………………………………
TEST 15 MINS ENGLISH 11A
Use the proper tense/form of verbs in parentheses. Write your answer in the space provided :
The world is getting warmer and the oceans are rising. Why ……….. this (1.
happen) ......................... One answer is that it could simply be part of a natural process. After all, there
(2. be) ......................... ice ages and long periods of warmth, so we could just (3.
experience) ......................... another warming trend. This kind of answer (4. have) .........................
more supporters a few years ago. What scientists now (5. believe) ......................... is that human
activity is the cause. For more than two hundred years, human ……………….. gradually (6.
change) ......................... the atmosphere, mainly as a result of industrial pollution. We (7.
create) ......................... an atmosphere around the earth that, like a giant glass container, (8.
let) ......................... heat from the sun through and then (9. hold) ......................... it in. ……………
temperatures and sea levels (10. keep) ......................... rising? The general answer is unfortunately yes.
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ANSWER
1. is ………….. happening 2. have been
3. be experiencing 4. had
5. believe 6. have …. been changing/ have been …. changing
7. have created 8. lets
9. holds 10. Will … keep
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Name : ……………………………………………………………
TEST 15 MINS ENGLISH 11A
Use the proper tense/form of verbs in parentheses. Write your answer in the space provided :
The world is getting warmer and the oceans are rising. Why ……….. this (1.
happen) ......................... One answer is that it could simply be part of a natural process. After all, there
(2. be) ......................... ice ages and long periods of warmth, so we could just (3.
experience) ......................... another warming trend. This kind of answer (4. have) .........................
more supporters a few years ago. What scientists now (5. believe) ......................... is that human
activity is the cause. For more than two hundred years, human ……………….. gradually (6.
change) ......................... the atmosphere, mainly as a result of industrial pollution. We (7.

create) ......................... an atmosphere around the earth that, like a giant glass container, (8.
let) ......................... heat from the sun through and then (9. hold) ......................... it in. ……………
temperatures and sea levels (10. keep) ......................... rising? The general answer is unfortunately yes.
----------------------------------------------------------------------------------------------------------------------------
ANSWER
1. is ………….. happening 2. have been
3. be experiencing 4. had
5. believe 6. have …. been changing/ have been …. changing
7. have created 8. lets
9. holds 10. Will … keep