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: Right after the police had arrived at the scene, the situation was settled.

A. The police did not arrive at the scene until the situation had been settled.

B. If the police had arrived at the scene, the situation would have been settled.

C. The police had no sooner arrived at the scene than the situation was settled.

D. The situation had been settled just before the police arrived at the scene.

Câu 2: “We preserve natural resources. We can use them in the future.” means _____.

A. We preserve natural resources so that we can use them in the future.

B. We preserve natural resources so as to we can use them in the future.

C. We preserve natural resources in order to we can use them in the future.

D. We preserve natural resources for fear that we can use them in the future.

Câu 3: 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 4: Peter’s main subjects at university is electronics.

A. The university lets Peter major in electronics.

B. Peter thinks electronics is a special subject.

C. Peter majors in electronics at university.

D. Electronics is among the subjects that Peter likes.

Câu 5: They report that over 200,000 people were killed in the tsunami.

A. Over 200,000 people are reported to have been killed in the tsunami.

B. Over 200,000 people are reported to be killed in the tsunami.

C. Over 200,000 people are reported to have killed in the tsunami.

D. Over 200,000 people are reported to kill in the tsunami.

Câu 6: The boy became so confused and worried that he left home.

A. The boy became too confused and worried to leave home.

B. So confused and worried that the boy left home.

C. So confused and worried, the boy left home.

D. The boy was not confused and worried enough to leave home.