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 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 2: “I didn’t take your money” he said to her.

A. He doubted whether she had taken his money.

B. He denied talking her money.

C. He admitted taking her money.

D. He warned her to take his money.

Câu 3: 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 4: He didn’t take his father’s advice. That’s why he is out of work.

A. If he had taken his father’s advice, he would not have been out of work.

B. If he took his father’s advice, he would not be out of work.

C. If he had taken his father’s advice, he would not be out of work.

D. If he takes his father’s advice, he will not be out of work.

Câu 5: We cut down many forests. The Earth becomes hot.

A. The more forests we cut down, the hotter the Earth becomes.

B. The more we cut down forests, the hotter the Earth becomes.

C. The more forests we cut down, the Earth becomes hotter.

D. The more we cut down forests, the Earth becomes hotter.

Câu 6: 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.