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: 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 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 was successful because he was determined to pursue personal goals. He was not talented.

A. His success lay in his natural ability, not in his determination to pursue personal goals.

B. In addition to his determination, his talent ensured his success in pursuing his goals.

C. It was his determination to pursue personal goals, not talent, that contributed to his success.

D. His determination to pursue personal goals made him successful and talented.

Câu 4: 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 5: They believe that the thieves got in through the kitchen window.

A. The thieves are believed to have got in through the kitchen window.

B. The thieves are believed to get in through the kitchen window.

C. They believe the thieves got in through the kitchen window.

D. They believe the thieves have got in through the kitchen window.

Câu 6: 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.