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: 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 2: 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 3: 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 4: He failed his driving test the first time. As a result, he took it again.

A. He failed his driving test the first time and so he therefore took it again.

B. He failed his driving test the first time and he therefore took it again.

C. He failed his driving test the first time which he took it again.

D. Failing his driving test the first time and he therefore took it again.

Câu 5: 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 6: “You have just got a promotion, haven’t you? Congratulations!” Peter said to his friend.

A. Peter dream of getting promotion.

B. Peter told his friend if his friend getting a promotion.

C. Peter asked his friend on getting a promotion.

D. Peter congratulated his friend on getting a promotion.