bai tap chua loi sai (co key)

1. Each of the nurses report to the operating room when his or her name is called.
B
(A) of the
(B) report
(C) his or her name
(D) is called
2. Species like snakes, lizards, coyotes, squirrels, and jack rabbits seems to exist quite happily in the
desert.
B
(A) like
(B) seems to
(C) quite happily
(D) the
3. The freshman failed to follow the advice of her senior that he studied hard and not go out too much.
C
(A) freshman
(B) her
(C) studied
(D) go out
4. Parks which are found in downtown areas where office workers and store employees can enjoy their
lunch hours sitting on the green grass in clean, fresh air.
D
(A) which
(B) employees
(C) lunch hours sitting
(D) fresh air
5. The guide told the tourists that it was a good restaurant specializing in seafood just round the corner
from the museum.
B
(A) The
(B) it was a

(C) specializing
(D) just round
6. Doctors believe there is better in this modern world of ours to try to prevent illnesses than to rely on
medicines to cure them.
B
(A) Doctors
(B) there is
(C) of ours
(D) to
7. By the turn of the century, most of the inventions that were to bring in all the comforts of modern living
have already been thought of.
D
(A) By the turn of
(B) that
(C) were to
(D) have already been
8. Mercury and alcohol are widely used in thermometers because their volume increases uniform with
temperature.
D
(A) are
(B) widely
(C) their volume
(D) uniform with
9. The Commitments of Traders Report is released by the Commodity Futures Trading Commission on
eleventh day of each month.
B
(A) released by
(B) on eleventh
(C) of
(D) month

10. Mary and her sister just bought two new winters coats at the clearance sale.
D
(A) her sister
(B) just bought
(C) two new
(D) winters
11. It is the role of the National Bureau of Standards to establish accurate measurements for science,
industrial, and commerce.
D
(A) It is
(B) establish
(C) measurements
(D) industrial
12. While verbalization is the most common form of language in existence, humans make use of many
others systems and techniques to express their thoughts and feelings.
C
(A) the most common form
(B) existence
(C) others systems
(D) to express
13. It is interesting to compare the early stylized art forms of ancient civilizations to the modern abstract
forms of art.
D
(A) interesting
(B) to compare
(C) of
(D) to
14. For the first time in the history of the country, the person which was recommended by the president to
replace a retiring justice on the Supreme Court is a woman.
A

(A) which
(B) was recommended
(C) to replace
(D) retiring
15. Although jogging is a good way to lose weight and improve one's physical condition, most doctors
recommend that the potential jogger begin in a correct manner by getting a complete checkup.
C
(A) jogging
(B) most
(C) in a correct manner
(D) getting
16. The Greek historian Herodotus reported that one hundred thousand men are employed for twenty years
to build the Great Pyramid at Gizeh.
A
(A) are
(B) for
(C) to build
(D) at Gizeh
17. It was her, Elizabeth I, not her father, King Henry, who led England into the Age of Empire.
A
(A) her
(B) her father
(C) who
(D) led
18. Because blood from different individuals may different in the type of antigen on the surface of the red
cells and the type of antibody in the plasma, a dangerous reaction can occur between the donor and
recipient in a blood transfusion.
B
(A) Because
(B) different

(C) can occur
(D) and
19. When mining for gold, you must first obtain the gold ore and then apart the gold from the ore.
D
(A) When mining
(B) must first
(C) and then
(D) apart
20. The amount of women earning Master's Degrees has risen sharply in recent years.
A
(A) The amount of
(B) Master's
(C) has risen
(D) recent years
II,
1. When a patient's blood pressure is much higher than it should be, a doctor usually insists that he will not
smoke.
D
(A) much
(B) than it
(C) should be
(D) will not
2. Geochemistry includes the study of the movement of elements from one place to another as a result of
processes chemical.
D
(A) the study of
(B) of elements
(C) as a
(D) processes chemical
3. Even on the most careful prepared trip, problems will sometimes develop.

B
(A) Even
(B) careful
(C) trip
(D) will sometimes
4. I don't care you do just so long as you do it immediately.
B
(A) don't care
(B) you do
(C) so
(D) do
5. The master of ceremonies announced in a loud and clear voice and told that the dinner would be late
due to unforseen circumstances.
B
(A) of ceremonies
(B) and told
(C) would be
(D) due to
6. Sate universities bear the name of their state, and its achievements are recognized as state achievements.
C
(A) bear
(B) their
(C) its
(D) are
7. Narcissus, a character in mythology, gazed at his own image in a pool so ardently that he fell into itself
and downed.
D
(A) a character in mythology
(B) his own
(C) that

(D) into itself
8. I do not know where could he have gone so early in the morning.
A
(A) could he have
(B) gone
(C) so early
(D) in the
9. In 1961 America's first manned spacecraft launched.
D
(A) In
(B) America's
(C) manned
(D) launched
10. Today's job seekers are confronted with such question as "Are you computer literate?" and "Can you
set up a data base?"
C
(A) job
(B) confronted
(C) such question
(D) set up
11. Nuclear powers production in the US is controlled by the Nuclear Regulatory Commission [NRC].
A
(A) powers
(B) is
(C) controlled
(D) the
12. What happened in New York were a reaction from city workers, including firemen and policemen
who had been laid off from their jobs.
B
(A) What happened

(B) were
(C) including
(D) their
13. The Indians of the southwestern United States are famous for their beautiful art work, especially
handmade jewelry cast from silver, carved from stones, or decorations with beads and feathers.
D
(A) are
(B) art work
(C) especially
(D) decorations
14. Venomous snakes with modified teeth connected to poison glands in which the venom is secreted and
stored.
A
(A) with
(B) poison glands
(C) in which
(D) is secreted
15. Spell correctly is easy with the aid of a number of word processing programs for personal computers.
A
(A) Spell
(B) correctly
(C) word processing
(D) computers
16. The deadbolt is the best lock for entry doors because it is not only inexpensive but installation is easy.
D
(A) the best
(B) because
(C) not only
(D) installation is easy
17. Alfalfa is a nutritious crop rich in proteins, minerals, and with vitamins.

D
(A) Alfalfa is
(B) nutritious
(C) rich in
(D) with vitamins
18. Teddy Roosevelt demonstrated his competitive spirit and tireless energy in 1905 whenever he led the
Rough Riders up San Juan Hill.
C
(A) demonstrated
(B) competitive
(C) whenever
(D) he
19. The 1890's in America were known as a Gay Nineties.
D
(A) The
(B) in
(C) as
(D) a
20. When I last saw Janet, she hurried to her next class on the other side of the campus and did not have
time to talk.
B
(A) I last
(B) hurried
(C) the other
(D) did not have
III,
TIM TU SAI TRONG CAC TU GACH CHAN- TOEFL- BAI 4
1. It was her who represented her country in the United Nations and later became ambassador to the United
States.
B

(A) It
(B) her
(C) who
(D) later
2. Some birds, such as quails, can move instant from a resting position to full flight.
A
(A) instant
(B) resting
(C) to
(D) flight
3. Globes and maps have been important throughout history, but never many so than today.
C
(A) have been important
(B) but
(C) many
(D) than
4. Before becoming successful, Charles Kettering, former vice president of General Motors, was so poor
that he has to use the hayloft of a barn as a laboratory.
C
(A) successful
(B) so poor
(C) has to
(D) as
5. Computers have made access to information instantly available just by push a few buttons.
D
(A) have
(B) access
(C) instantly available
(D) by push
6. By passing sunlight through a prism, the light is separate into a spectrum of colors.

C
(A) By passing
(B) through
(C) is separate
(D) spectrum
7. The scientific method consists of forming hypotheses, collect data, and testing results.
C
(A) scientific
(B) consists of
(C) collect
(D) results
8. The new librarian was hired because of her past experience has been found to be not only inefficient but
also lazy.
B
(A) The
(B) was hired
(C) been found
(D) but also
9. With its strong claws and its many protruding tooth a gopher is an excellent digger.
C
(A) With
(B) strong claws
(C) protruding tooth
(D) is
10. My cousin composes not only the music, but also sings the songs for the major Broadway musicals.
A
(A) composes not only
(B) but
(C) the songs for
(D) major

11. The state of New Mexico is not densely population, with an average of only four people per square
kilometer.
B
(A) is not
(B) population
(C) with an
(D) only
12. Never before has so many people in the United States been interested in soccer.
A
(A) has
(B) so many
(C) in
(D) interested in
13. Please send me information with regard of insurance policies available from your company.
B
(A) me
(B) with regard of
(C) insurance
(D) from
14. Traditionally, the flag is risen in the morning and taken down at night.
A
(A) risen
(B) in the morning
(C) taken
(D) at night
15. Increasing involvement in agriculture by large corporations has resulted in what is known as
agribusiness-that is, agriculture with business techniques, including heavy capitalization, specialization of
production, and to control all stages of the operation.
D
(A) by large corporations

(B) has resulted in
(C) known as
(D) to control
16. A calorie is the quantity of heat required to rise one gallon of water one degree centigrade at one
atmospheric pressure.
D
(A) A calorie
(B) is
(C) required
(D) to rise
17. It is believed that a people could live on Mars with little life support because the atmosphere is similar
to that of Earth.
A
(A) a people
(B) live
(C) Mars
(D) that
18. A few tiles on Skylab were the only equipments that failed to perform well in outer space.
C
(A) A few
(B) were
(C) equipments
(D) to perform
19. By the mid-nineteenth century, land was such expensive in large cities that architects began to
conserve space by designing skyscrapers.
B
(A) By the mid-nineteenth century
(B) such expensive
(C) conserve
(D) by designing

20. The Board of Realtors doesn't have any informations about the increase in rent for this area.
A
(A) informations
(B) about
(C) increase
(D) in rent
IV,
TIM TU SAI TRONG CAC TU GACH CHAN- TOEFL- BAI 4
1. It was her who represented her country in the United Nations and later became ambassador to the United
States.
B
(A) It
(B) her
(C) who
(D) later
2. Some birds, such as quails, can move instant from a resting position to full flight.
A
(A) instant
(B) resting
(C) to
(D) flight
3. Globes and maps have been important throughout history, but never many so than today.
C
(A) have been important
(B) but
(C) many
(D) than
4. Before becoming successful, Charles Kettering, former vice president of General Motors, was so poor
that he has to use the hayloft of a barn as a laboratory.
C

(A) successful
(B) so poor
(C) has to
(D) as
5. Computers have made access to information instantly available just by push a few buttons.
D
(A) have
(B) access
(C) instantly available
(D) by push
6. By passing sunlight through a prism, the light is separate into a spectrum of colors.
C
(A) By passing
(B) through
(C) is separate
(D) spectrum
7. The scientific method consists of forming hypotheses, collect data, and testing results.
C
(A) scientific
(B) consists of
(C) collect
(D) results
8. The new librarian was hired because of her past experience has been found to be not only inefficient but
also lazy.
B
(A) The
(B) was hired
(C) been found
(D) but also
9. With its strong claws and its many protruding tooth a gopher is an excellent digger.

C
(A) With
(B) strong claws
(C) protruding tooth
(D) is
10. My cousin composes not only the music, but also sings the songs for the major Broadway musicals.
A
(A) composes not only
(B) but
(C) the songs for
(D) major
11. The state of New Mexico is not densely population, with an average of only four people per square
kilometer.
B
(A) is not
(B) population
(C) with an
(D) only
12. Never before has so many people in the United States been interested in soccer.
A
(A) has
(B) so many
(C) in
(D) interested in
13. Please send me information with regard of insurance policies available from your company.
B
(A) me
(B) with regard of
(C) insurance
(D) from

14. Traditionally, the flag is risen in the morning and taken down at night.
A
(A) risen
(B) in the morning
(C) taken
(D) at night
15. Increasing involvement in agriculture by large corporations has resulted in what is known as
agribusiness-that is, agriculture with business techniques, including heavy capitalization, specialization of
production, and to control all stages of the operation.
D
(A) by large corporations
(B) has resulted in
(C) known as
(D) to control
16. A calorie is the quantity of heat required to rise one gallon of water one degree centigrade at one
atmospheric pressure.
D
(A) A calorie
(B) is
(C) required
(D) to rise
17. It is believed that a people could live on Mars with little life support because the atmosphere is similar
to that of Earth.
A
(A) a people
(B) live
(C) Mars
(D) that
18. A few tiles on Skylab were the only equipments that failed to perform well in outer space.
C

(A) A few
(B) were
(C) equipments
(D) to perform
19. By the mid-nineteenth century, land was such expensive in large cities that architects began to
conserve space by designing skyscrapers.
B
(A) By the mid-nineteenth century
(B) such expensive
(C) conserve
(D) by designing
20. The Board of Realtors doesn't have any informations about the increase in rent for this area.
A
(A) informations
(B) about
(C) increase
(D) in rent
V,
TIM TU SAI TRONG CAC TU GACH CHAN- TOEFL- BAI 5
1. The prime rate is the rate of interest that a bank will charge when it borrows money to its best clients.
C
(A) charge
(B) it
(C) borrows
(D) its
2. The purchased of Louisiana was one of the biggest events in the history of the United States.
A
(A) purchased
(B) was
(C) events

(D) history
3. In the last 10 years, Mexican government has reduced the number of its state-owned companies to about
half.
A
(A) Mexican
(B) has reduced
(C) its
(D) to
4. Prevented the soil from erosion, the trees planted by the farmer many years before were what stopped
the flood from reaching his house.
A
(A) Prevented
(B) before
(C) what
(D) from reaching
5. Stuart stopped to write his letter because he had to leave for the hospital.
A
(A) to write
(B) because
(C) leave
(D) for the hospital
6. Today was such beautiful day that I couldn't bring myself to complete all my chores.
A
(A) such beautiful day
(B) myself
(C) to complete
(D) my chores
7. Louis Braille designed a form of communication enabling people to convey and preserve their thoughts
to incorporate a series of dots which were read by the finger tips.
C

(A) enabling
(B) to convey
(C) to incorporate
(D) were read
8. Their silly, whiny conversation on a child level was meant to create tension and heighten Nancy's fears
and anxiety.
A
(A) on a child level
(B) to create
(C) heighten
(D) Nancy's fears
9. Fertilize farmland is one of the biggest natural resources in the Central States.
A
(A) Fertilize
(B) one
(C) biggest
(D) in
10. A number of novels submitted their manuscripts under pseudonyms to conceal the fact that they were
women.
B
(A) A number
(B) novels
(C) to conceal
(D) they were
11. The water in the Great Salt Lake is at less four times saltier than seawater.
A
(A) at less
(B) four times
(C) saltier
(D) than

12. If England had not imposed a tax on tea two hundred and twenty years ago, will the United States have
remained part of the British Commonwealth?
D
(A) If
(B) imposed
(C) ago
(D) will
13. The Cabinet consists of secretaries of departments, who report to the president, give him advice, and
helping him make decisions.
C
(A) consists of
(B) who
(C) helping
(D) make
14. In experiments with large numbers of animals crowded in small cages, some have not been affected,
but the rest of have shown all of the symptoms associated with stress and mental illness.
B
(A) large numbers
(B) the rest of
(C) have shown
(D) all of the symptoms
15. Albert Einstein was such brilliant a scientist that many of his colleagues had to study for several
years in order to form opinions about his theories.
A
(A) such brilliant a scientist
(B) many of his colleagues
(C) study
(D) several years
16. Ever the Senate passes a bill, a messenger takes it to the House of Representatives, delivers it to the
Speaker of the House, and bows deeply from the waist.

A
(A) Ever
(B) passes
(C) bows
(D) deeply
17. Hummingbirds move their wings so rapid a way that they appear to be hanging in the air.
B
(A) their
(B) rapid a way
(C) to be hanging
(D) in the air
18. A one hundred-horsepower tractor can make the work of a large number of horses.
C
(A) one hundred-horsepower tractor
(B) can
(C) make
(D) a large number
19. Neon is often used in airplane beacons because neon beacons are very visible that they can be seen even
through dense fog.
B
(A) is often
(B) very
(C) they
(D) seen even
20. The decision to withdraw all support from the activities of the athletes are causing an uproar among
the athlete's fans.
C
(A) to withdraw
(B) all support
(C) are causing

(D) among