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 had had very salty food. We were all dying of thirst.

A. Having very salty food, we were all dying of thirst.

B. Having had very salty food, we were all dying of thirst.

C. Dying of thirst, we had very salty food.

D. Having died of thirst, we had very salty food.

Câu 3: 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 4: “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 5: Soil erosion is a result of forests being cut down carelessly.

A. That forests are being cut down carelessly results from soil erosion.

B. Soil erosion contributes to forests being cut down carelessly.

C. Soil erosion results in forests being cut down carelessly.

D. That forests are being cut down carelessly leads to soil erosion.

Câu 6: 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.