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: People say that he was born in London.

A. That is said he was born in London.

B. It was said that he was born in London.

C. He was said to be born in London.

D. He is said to have been born in London.

Câu 2: The storm blew a lot of trees down last night.

A. A lot of trees were blown down last night by the storm.

B. A lot of trees were cut down last night

C. The storm could have blown a lot of trees down.

D. The storm was strong enough to blow down old trees.

Câu 3: He was very tired but he kept on working.

A. Despite very tired, he kept on working.

B. Though his tiredness, he kept on working.

C. Although he was very tired, but he kept on working.

D. He kept on working although he was very tired.

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: Although it rained heavily, they went on working.

A. In spite of the rain heavily, they went on working.

B. In spite of the raining heavily, they went on working.

C. Despite the heavy rain, they went on working.

D. Though the fact that it rained heavily, they went on working.

Câu 6: We have no seats left for the concert next Sunday.

A. All the seats for the concert next Sunday have been booked

B. All the seats were sold for the concert next Sunday.

C. The concert next Sunday had no seats for us.

D. No seats left for us for the concert next Sunday.