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: The garage serviced my car last week.

A. I got my car serviced last week.

B. My car was to be serviced last week.

C. The garage’s service to my car was good.

D. Last week I went to the garage by car.

Câu 2: He couldn’t retake the exam because he missed too many lessons.

A. He would retake the exam if he didn’t miss too many lessons.

B. He could have retaken the exam if he hadn’t missed too many lessons.

C. If he missed too many lessons, he wouldn’t retake the exam.

D. If he had missed too many lessons, he wouldn’t have retaken the exam.

Câu 3: He is an authority on primitive religion.

A. He has official permission to practise primitive religion.

B. He is famous for his vast knowledge of primitive religion.

C. He has authority over the people who practise primitive religion.

D. He has a great influence on the people who practise primitive religion.

Câu 4: Start at once or you will be late.

A. Unless you start immediately, you won’t be late.

B. You would be late if you didn’t start at once.

C. If you don’t start immediately, you will be late.

D. If you started at once, you wouldn’t be late.

Câu 5: The train drivers' strike made it hard for us to get to work.

A. We found it difficult to get to work because of the train drivers' strike.

B. When the train drivers were having a strike, we could get to work.

C. We were unable to get to work when the train drivers' strike happened.

D. The train drivers' strike made it impossible for us to get to work.

Câu 6: The basketball team knew they lost the match. They soon started to blame each other.

A. Hardly had the basketball team known they lost the match when they started to blame each other.

B. No sooner had the basketball team started to blame each other than they knew they lost the match.

C. As soon as they blamed each other, the basketball team knew they lost the match.

D. Not only did the basketball team lose the match but they blamed each other as well.