I. Choose A, B, C, or D that best completes the sentence.
Câu 1: Sulphur dioxide is a ____ that is released into the atmosphere by coalfired power stations.
A. pollute
B. pollutant
C. pollution
D. polluted
Câu 2: Without our ____ they would not have got accomplishment.
A. contribute
B. contribution
C. contributors
D. contributive
Câu 3: By ____ , we often go to pagoda on New Year’s Day.
A. tradition
B. traditional
C. traditionally
D. traditionalist
Câu 4: Nowadays people become aware ____ secondhand smoke.
A. of
B. for
C. up
D. on
Câu 5: The search ____ alternative sources ____ energy has led in various directions.
A. on / with
B. at / through
C. for / of
D. in / off
Câu 6: At the time being, many products are nearly identical ____ one another ____ quality and price.
A. upon / at
B. with / of
C. to / in
D. for / off
Câu 7: There is nothing wrong with the photocopier. It just needs____ .
A. to service
B. service
C. servicing
D. serviced
Câu 8: I will make a note in my diary so that I will remember ____ you the information you need.
A. send
B. to send
C. sent
D. sending
Câu 9: Curtis delayed ____ the airplane because the weather was bad.
A. catch
B. to catch
C. caught
D. catching
Câu 10: I ____ no difficulty in learning Russian since I____to learn it 3 years ago.
A. have had / began
B. had had / begin
C. had / has begun
D. am having / begin
Câu 11: Do the homework ____ the teacher said.
A. as like
B. as though
C. as
D. as if
Câu 12: There was ____ we were unable to find our way.
A. such many smog that
B. so much smog that
C. so much smog than
D. such many smog as
Câu 13: My hometown has changed ____ I hardly recognize some places.
A. rapidly such that
B. rapidly so that
C. such rapidly that
D. so rapidly that
Câu 14: He was ____ he was often willing to share all of what he had got.
A. such a generous man as
B. such a generous man that
C. so a generous man that
D. a so generous man that
Câu 15: Leave the keys out ____ I remember to take them with me.
A. because
B. so that
C. in order to
D. so as to
Câu 16: I was beginning to feel alarm, but kept it to myself _____ our two friends.
A. so as not to worry
B. so that did not worry
C. so as to I did not worry
D. not in order to worry
Câu 17: I always keep fruit in the fridge ____ insects off it.
A. order to keep
B. as to keep
C. so as to keep
D. so as to keeping
Câu 18: _____ he always did well on his English tests, his parents were not surprised at his good results.
A. Since
B. For
C. Because of
D. Due to
Câu 19: We will be staying for an extra week, _____ we have not yet finished.
A. because
B. as
C. for
D. due to
Câu 20: ____ the students had successfully completed their exams, their parents rewarded their efforts by giving them a trip to Paris.
A. Due to the fact that
B. Thanks to
C. Because of
D. Due to
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