Câu hỏi: 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 1: Their complaints to the head office should be sent.

A. People should send their complaints to the head office.

B. Complaints should be sent to the head office.

C. Complaints should be sent to the head office by people.

D. Their complaints should be sent to the head office by people.

Câu 2: People don't use this road very often.

A. This road is not used very often

B. Not very often this road is not used

C. This road very often is not used

D. This road not very often is used

Câu 3: 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.

Câu 4: 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 5: He was driving so fast that he could have had an accident.

A. He wasn’t driving fast enough to avoid an accident.

B. He did’t have an accident although he was driving very fast.

C. If he had been driving very fast, he would have had an accident.

D. An accident happended, and it was caused by his very fast driving.

Câu 6: I hardly know the truth about Jean’s success in the institute.

A. I do not know much about Jean’s success in the institute.

B. It is difficult for Jean to be successful in the institute.

C. Jean’s success in the institute was not to be known.

D. Jean hardly become known and successful in the institute.