Câu hỏi: We spent about one-third of our lives sleeping. We know relatively little about sleep.

A. We know relatively little about sleep, as a result, we spend about one-third of our lives sleeping.

B. We shall know more about sleep if we spend more than one-third of our lives sleeping.

C. We spend about one-third of our lives sleeping so that we know relatively little about sleep.

D. Despite spending about one-third of our lives sleeping, we know relatively little about sleep.

Câu 1: No one but the experts was able to realize that the painting was an imitation. It greatly resembled the original.

A. It was hard for ordinary people to judge between the fake painting and the real one, but not for the experts.

B. It was almost impossible for amateurs to realize that the painting was not authentic, though the experts could judge it quite easily.

C. The painting looked so much like the authentic one that only the experts could tell it wan’t genuine.

D. It was obvious that only a person with great talent could fake a painting so successfully.

Câu 2: The old man is working in this factory. I borrowed his bicycle yesterday.

A. The old man is working in this factory which I borrowed his bicycle yesterday.

B. The old man whom I borrowed his bicycle yesterday is working in this factory.

C. The old man whose bicycle I borrowed yesterday is working in this factory.

D. The old man whom is working in this factory I borrowed his bicycle yesterday.

Câu 3: Had she read the reference books, she would have been able to finish the test.

A. If she had read the reference books, she could finish the test.

B. Because she read the reference books, she was able to finish the test.

C. Although she didn't read the reference books, she was able to finish the test.

D. Not having read the reference books, she couldn't finish the test.

Câu 4: My mother is very busy with her work at the office. She still takes good care of us.

A. My mother is so busy with her work at the office that she cannot take good care of us.

B. Because my mother is very busy with her work at the office, she takes good care of us.

C. In spite of being very busy with her work at the office, my mother takes good care of us.

D. My mother is too busy with her work at the office to take good care of us.

Câu 5: People think that traffic congestion in the downtown area is due to the increasing number of private cars.

A. Traffic congestion in the downtown area is blamed for the increasing number of private cars.

B. The increasing number of private cars is thought to be responsible for traffic congestion in the downtown area.

C. The increasing number of private cars is attributed to traffic congestion in the downtown area.

D. Traffic congestion in the downtown area is thought to result in the increasing number of private cars.

Câu 6: I didn’t arrive in time. I was not able to see her off.

A. I arrived very late to say goodbye to her.

B. She had left because I was not on time.

C. I was not early enough to see her off.

D. I didn’t go there , so I could not see her off.