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: 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: They have built a new hospital near the airport.

A. Near the airport a new hospital has been built.

B. A new hospital has been built near the airport by them.

C. A new hospital near the airport has been built.

D. A new hospital has been built near the airport.

Câu 4: 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 5: 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.

Câu 6: When I had finished the report, I went out for a cup of coffee.

A. Finishing the report, I went out for a cup of coffee.

B. Having finished the report, i went out for a cup of coffee.

C. Going out for a cup of coffee, I finished my report.

D. To finish the report, I went out for a cup of coffee.