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

A. We shall know more about our sleep if we spend more than one-third of our lives sleeping.

B. We know relatively little about our sleep; as a result, we spend about one-third of our lives sleeping.

C. Despite spending about one-third of our lives sleeping, we know relatively little about our sleep.

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

Câu 1: 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 2: It is certain that the new cuts will worry the staff.

A. The new cuts certainly worry the staff.

B. The new cuts will be certainly worry the staff.

C. The new cuts are bound to worry the staff.

D. The new cuts will be bound to worry the staff.

Câu 3: l have learnt never to take sides in any arguments between my close friends.

A. I support neither side in my close friends‘ arguments.

B. I don’t encourage my close friends to argue.

C. If I support one side in arguments, the other will be upset.

D. I don't support any of my close friends.

Câu 4: Without your help, I couldn’t have succeeded.

A. You didn’t help me and I didn’t succeed.

B. I succeeded even you didn’t help me.

C. In spite of your help, I wasn’t successful.

D. I was successful due to your help.

Câu 5: The coffee was not strong. It didn’t keep us awake.

A. The coffee was not very strong, but it couldn’t keep us awake.

B. We were kept awake because the coffee was strong.

C. The coffee was not strong enough to keep us awake

D. The coffee was so hot that it didn’t keep us awake.

Câu 6: The plan may be ingenious. It will never work in practice.

A. Ingenious as it may be, the plan will never work in practice.

B. Ingenious as may the plan, it will never work in practice.

C. The plan may be too ingenious to work in practice.

D. The plan is as impractical as it is ingenious.