Câu hỏi: We spend 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. Despite spending about one-third of our lives sleeping, we know relatively little about sleep.

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

Câu 1: I am sure he did not know that his brother graduated with flying colors.

A. He should not have been envious of his brother's achievement.

B. He cannot have known that his brother graduated with very high marks.

C. That his brother graduated with flying colors must have been appreciated by him.

D. He may not know that his brother is flying gradually up in a colorful balloon.

Câu 2: The train should be here any minute now.

A. We know that the train is always here on time.

B. The train has not arrived here yet.

C. The train is known to be here in a minute.

D. We are expecting the train to arrive soon.

Câu 3: James did not come. He did not call either.

A. James did not come, so he did not call.

B. James did not come and he did not call, too.

C. James did not came but he called afterwards.

D. James neither came nor called.

Câu 4: You’d better take the keys. It’s possible I’ll come home late.

A. If I come home late, you’d better take the keys.

B. You’d better take the keys in case I come home late.

C. You'd better take the keys as I possibly come home late.

D. I'll probably come home late so that you’d better take the keys.

Câu 5: He is very intelligent. He can solve all the problems in no time.

A. So intelligent is he that he can solve all the problems in no time.

B. He is very intelligent that he can solve all the problems in no time.

C. An intelligent student is he that he can solve all the problems in no time.

D. So intelligent a student is he that he can solve all the problems in no time.

Câu 6: Most people get fewer colds in the summer than in the winter.

A. A person is more likely to get a cold in the winter than in the summer.

B. More people have summer colds than winter colds.

C. People get colder in the summer than in the winter.

D. The winter is much colder than the summer.