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: It was such a boring speech that we began to yawn.

A. The speech was very boring that we began to yawn.

B. It was so a boring speech that we began to yawn.

C. The speech was too boring that we began to yawn.

D. The speech was so boring that we began to yawn.

Câu 2: We don’t allow anyone to use their cell phones during the examination.

A. Nobody is allowed to use their cell phones during the examination.

B. Nobody is allowed using their cell phones during the examination.

C. Nobody isn’t allowed to use their cell phones during the examination.

D. Nobody isn’t allowed using their cell phones during the examination.

Câu 3: Leaders are not allowed to attend festivals. Also, they are not allowed to use office cars, except for performing assigned tasks.

A. Leaders are not allowed to attend festivals until they use office cars for performing assigned tasks.

B. Leaders are not allowed to both attend festivals and use office cars, except for performing assigned tasks.

C. Leaders are allowed to either attend festivals or use office cars, except for performing assigned tasks.

D. Leaders are allowed to neither attend festivals nor use office cars, except for performing assigned tasks.

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 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 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.