Câu hỏi: Some kinds of fish live in fresh water. Others live in sea water.

A. Some kinds of fish live in fresh water, for others live in sea water.

B. Some kinds of fish live in fresh water, so others live in sea water.

C. Some kinds of fish live in fresh water, or others live in sea water.

D. Some kinds of fish live in fresh water, and others live in sea water.

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: 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 3: I didn’t know you were coming, so I didn’t wait for you.

A. If I had known you were coming, I wouldn’t have waited for you.

B. I would have waited for you if I knew you were coming.

C. If I had know you were coming, I would wait for you.

D. Had I known you were coming, I would have waited for you.

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: “Leave my house now or I’ll call the police!” shouted the lady to the man.

A. The lady threatened to call the police if the man didn’t leave her house.

B. The lady said that she would call the police if the man didn’t leave her house.

C. The lady told the man that she would call the police if he didn’t leave her house.

D. The lady informed the man that she would call the police if he didn’t leave her house.

Câu 6: Peter told us about his leaving the school. He did it on his arrival at the meeting.

A. Only after his leaving the school did Peter inform us of his arrival at the meeting.

B. Not until Peter told us that he would leave the school did he arrive at the meeting.

C. Hardly had Peter informed us about his leaving the school when he arrived at the meeting.

D. No sooner had Peter arrived at the meeting than he told us about his leaving the school.