Câu hỏi: Most scientists know him well. However, very few ordinary people have heard of him.

A. Many ordinary people know him better than most scientists do.

B. Although he is well known to scientists, he is little known to the general public.

C. He is the only scientist that is not known to the general public.

D. Not only scientists but also the general public know him as a big name.

Câu 1: I usually drive to work, but today I go by bus.

A. Although I can drive to work, I go by bus today.

B. Although I can go by bus, I drive to work today.

C. Instead of driving to work, I go by bus today.

D. Instead of going by bus, I drive to work today.

Câu 2: They think that the prisoner escaped by climbing over the wall.

A. The prisoner is thought to escape by climbing over the wall.

B. The prisoner is thought escaped by climbing over the wall.

C. The prisoner is thought having escaped by climbing over the wall.

D. The prisoner is thought to have escaped by climbing over the wall.

Câu 3: She was so busy that she couldn’t answer the phone.

A. She was very busy that she couldn’t answer the phone.

B. She was too busy to answer the phone.

C. She was too busy not to answer the phone.

D. She was very busy so that she couldn’t answer the phone

Câu 4: I tried to persuade her. I didn’t succeed, however.

A. Because of persuading her, I didn’t succeed

B. Although I tried to persuade her, I didn’t succeed

C.  I didn’t succeed but I tried to persuade her

D. However I tried to persuade her, I didn’t succeed

Câu 5: We missed the turning because we forgot to take the map with us.

A. Without the right map with us, we missed the turning.

B. If we were taking the map with us, we did not miss the turning.

C. Without the map with us, we missed the turning.

D. Had we taken the map with us, we would not have missed the turning.

Câu 6: It’s cold outside and my leg hurts. I haven't been out for weeks.

A. I haven't been out for weeks, which makes the weather cold and my leg bad.

B. The weather is cold and my leg is bad as a result of my stay indoors for weeks.

C. Because of the cold weather and my bad leg, I haven't been out for weeks.

D. What makes the weather cold and my leg bad is my stay indoors for weeks.