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: They couldn’t think of anything better to do. They decided to baby-sit for the family.

A. As long as they couldn’t think of anything better to do, they decided to baby-sit for the family.

B. They couldn’t think of anything better to do, yet they decided to baby-sit for the family.

C. Since they couldn’t think of anything better to do, they decided to baby-sit for the family.

D. As soon as they couldn’t think of anything better to do, they decided to baby-sit for the family.

Câu 2: Lucy always reminds me of my youngest sister.

A. When ever I see Lucy, I think of my youngest sister.

B. I always thinks of Lucty, my youngest sister

C. It is Lucy who is my youngest sister

D. My youngest sister’s name is Lucy.

Câu 3: 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 4: Overeating is a cause of several deadly diseases. Physical inactivity is another cause of several deadly diseases.

A. Not only overeating but also physical inactivity may lead to several deadly diseases.

B. Apart from physical activities, eating too much also contributes to several deadly diseases.

C. Both overeating and physical inactivity result from several deadly diseases.

D. Overeating and physical inactivity are caused by several deadly diseases.

Câu 5: 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 6: 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.