Câu hỏi: People believe that the weather is changing dramatically.

A. The weather is believed to be changing dramatically.

B. The weather is believed to have changed dramatically.

C. The weather is believed to change dramatically.

D. The weather is believed to have been changing dramatically.

Câu 1: Many doctors and nurses on duty during holidays don’t have time to relax. They don’t have time to meet up with their families.

A. Many doctors and nurses on duty during holidays have time neither to relax nor to meet up with their families.

B. Many doctors and nurses on duty during holidays have time neither to relax or to meet up with their families.

C. Many doctors and nurses on duty during holidays have time either to relax or to meet up with their families.

D. Many doctors and nurses on duty during holidays have time not only to relax but also to meet up with their families.

Câu 2: I didn't realize that somebody was recording our conversation.

A. Our conversation wasn't realized to be recorded.

B. I didn’t realize that our conversation was recorded.

C. I didn't realize that our conversation was being recorded

D. I didn't realize that our conversation was being recorded by someone.

Câu 3: Canada does not require US citizens to obtain passports to enter the country. Mexico does not require US citizens to do the same.

A. Canada does not require US citizens to obtain passports to enter the country, and Mexico does, either.

B. Canada does not require US citizens to obtain passports to enter the country, and Mexico does not, either.

C. Canada does not require US citizens to obtain passports to enter the country, and neither Mexico does.

D. Canada does not require US citizens to obtain passports to enter the country while Mexico does.

Câu 4: The boy lost several of his fingers because of firecrackers. The doctors are operating on him.

A. The boy who lost several of his fingers because of firecrackers is being operating on.

B. The boy whom the doctors are operating on him lost several of his fingers because of firecrackers.

C. The boy was whom the doctors are operating on him lost several of his fingers because of firecrackers.

D. The doctors are operating on the boy who lost several of his fingers because of firecrackers.

Câu 5: They cancelled all flights because of fog.

A. All flights because of fog were cancelled.

B. All flights were cancelled because of fog.

C. All flights were because of fog cancelled

D. All flights were cancelled by them because of fog

Câu 6: He might have forgotten the place you’d arranged to meet at.

A. Perhaps he didn’t remember where you were going to meet.

B. You planned to meet him at a place that he’d forgotten about

C. He didn’t remember meeting you at that time.

D. He couldn’t remember where the meeting place was.