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 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: People said they had demolished the building.

A. The building was said to have demolished.

B. The building was said to have been demolishing.

C. The building was said to be demolished.

D. The building was said to have been demolished.

Câu 3: 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 4: 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.

Câu 5: It doesn’t matter how much you offer to pay, he won’t sell the antique vase.

A. Although you offer to pay him a lot, he won’t sell the antique vase.

B. Despite a lot of money you offer to pay, he won’t sell the antique vase.

C. He won’t sell the antique vase if you offer to pay him a lot of money.

D. However much you offer to pay, he won’t sell the antique vase.

Câu 6: 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.