Câu hỏi: I am not certain, but there may be about twenty applicants for the job.

A. I am not sure if there are about twenty applicants for the job.

B. At a guess, there are about twenty applicants for the job

C. I guess that there are twenty applicants for the job

D. Twenty people are guessed to have applied for the job

Câu 1: I said to her “If you let your son do whatever he wants, you will spoil him.”

A. I said if she lets her son do whatever he wants, she will spoil him.

B. I warned her that if she let her son do whatever he wanted, she would spoil him.

C. I warned her that if she let her son do whatever she wanted, she would spoil him.

D. I told her if her son did whatever she wanted, she would spoil him.

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: 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 4: We arrived at the airport. We realized our passports were still at home.

A. It was until we arrived at the airport that we realize our passports were still at home.

B. We arrived at the airport and realized that our passports are still at home.

C. Not until had we arrived at the airport, we realized our passports were still at home.

D. Not until we arrived at the airport did we realize that our passports were still at home.

Câu 5: 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 6: 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.