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: 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 2: Cars cause pollution but people still want them.

A. Because cars cause pollution, people want them.

B. Despite the fact that cars cause pollution, people want them.

C. Cars cause pollution although people want them.

D. Cars cause pollution because people still want them.

Câu 3: The best way to make them work hard is to promise them reward.

A. Promise them a reward and they will work hard.

B. If you promise to reward, they will word hard.

C. Reward them and make them work hard.

D. If they work hard, you should promise to reward them.

Câu 4: She had only just begun to speak when people started interrupting.

A. She hardly had begun to speak when people started interrupting.

B. Hardly she had begun to speak when people started interrupting.

C. Hardly had she begun to speak when people started interrupting.

D. She hadn’t begun to speak when people started interrupting.

Câu 5: 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 6: have/at the station/her/we/just met

A. We just have met her at the station.

B. We have just met her at the station.

C. We have met just her at the station.

D. We have just her met at the station.