Câu hỏi: They were exposed to biased information, so they didn’t know the true story.

A. If they got unbiased information, they could know the true story.

B. If they had unbiased the information, they could have known the true story.

C. If they had been exposed to unbiased information, they would have known the true story.

D. If they have exposed to the unbiased information, they could have seen the true story.

Câu 1: People believe that 13 is an unlucky number.

A. 13 is believed to have been an unlucky number.

B. It is believe 13 to have been an unlucky number.

C. 13 is believed to be an unlucky number.

D. It believes that 13 is an unlucky number.

Câu 2: No matter how hard Fred tried to start the car, he didn’t succeed.

A. Fried tried very hard to start the car, and succeeded.

B. Fried tried hard to start the car, and with success.

C. However hard he tried, Fried couldn’t start the car.

D. It’s hard for Fried to start the car because he never succeeded.

Câu 3: People have discovered a new source of energy.

A. A new source of energy has discovered.

B. A new source of energy was discovered.

C. A new source of energy have been discovered

D. A new source of energy has been discovered

Câu 4: We arrived at the airport. We realized our passports were still at home.

A. It was until we arrived at the airport that we realize our passports were still at home.

B. We arrived at the airport and realized that our passports are still at home.

C. Not until had we arrived at the airport, we realized our passports were still at home.

D. Not until we arrived at the airport did we realize that our passports were still at home.

Câu 5: I am not certain, but there may be about twenty applicants for the job.

A. I am not sure if there are about twenty applicants for the job.

B. At a guess, there are about twenty applicants for the job

C. I guess that there are twenty applicants for the job

D. Twenty people are guessed to have applied for the job

Câu 6: he/unhealthy/was/last week/./he/in hospital/looks

A. He looks in hospital. He was unhealthy last week.

B. He unhealthy. He was looks in hospital last week.

C. He looks unhealthy. He was in hospital last week.

D. He looks unhealhy. He was hospital in last week.