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: 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.

Câu 3: “Send this urgent document immediately!” the officer told the soldier.

A. The officer advised the soldier to send the urgent document right away.

B. The officer ordered the soldier to deliver the urgent document instantly.

C. The officer requested that the soldier rush out due to the document’s urgency.

D. The officer recommended the soldier leave right away because of the urgent document.

Câu 4: I forgot to lock the door before leaving.

A. I didn’t remember whether I locked the door before leaving.

B. I remembered that I left the door locked before going out.

C. I locked the door before leaving, but I forgot about it.

D. I left without remembering to lock the door.

Câu 5: 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 6: It’s difficult for me to understand what he implies.

A. I find it difficult to understand what he really means.

B. To understand what he really means is difficult to find.

C. Understanding what he implies is found difficult.

D. What he implies is not very difficult to understand.