Câu hỏi: 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 1: 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 2: 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 3: I whispered as I didn't want anybody to hear our conversation.

A. Since nobody wanted to hear our conversation, I whispered.

B. So as not to hear our conversation, I whispered.

C. Because I whispered, anybody heard our conversation.

D. I lowered my voice in order that our conversation couldn't be heard.

Câu 4: 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 5: We survived that accident because we were wearing our seat belts.

A. If we weren't wearing our seat belts, we couldn't have survived that accident.

B. But for our seat belts, we would have survived that accident.

C. Had we not been wearing our seat belts, we wouldn't have survived that accident.

D. Without our seat belts, we could have survived that accident.

Câu 6: Harry no longer smokes a lot.

A. Harry now smokes a lot.

B. Harry used to smoke a lot.

C. Harry didn’t use to smoke a lot.

D. Harry rarely smoked a lot.