Câu hỏi: I didn’t know you were coming, so I didn’t wait for you.

A. If I had known you were coming, I wouldn’t have waited for you.

B. I would have waited for you if I knew you were coming.

C. If I had know you were coming, I would wait for you.

D. Had I known you were coming, I would have waited for you.

Câu 1: Unless we protect the environment, our life will be badly affected.

A. If our life is badly affected, we will protect the environment.

B. If we protect the environment, our life will be badly affected.

C. If we don’t protect the environment, our life won’t be badly affected.

D. If we don’t protect the environment, our life will be badly affected.

Câu 2: "No, I won't go to work at the weekend," said Sally.

A. Sally apologized for not going to work at the weekend.

B. Sally regretted not going to work at the weekend.

C. Sally promised to go to work at the weekend.

D. Sally refused to go to work at the weekend.

Câu 3: “I’ll call you as soon as I arrive at the airport,” he said to me.

A. He objected to calling me as soon as he arrived at the airport.

B. He promised to call me as soon as he arrived at the airport.

C. He denied calling me as soon as he arrived at the airport.

D. He reminded me to call him as soon as he arrived at the airport.

Câu 4: The new restaurant looks good. However, it seems to have few customers.

A. In order to get more business, the new restaurant should improve its appearance.

B. If it had a few more customers, the new restaurant would look better.

C. The new restaurant would have more customers if it looked better.

D. In spite of its appearance, the new restaurant does not appear to attract much business.

Câu 5: Tim graduated with a good degree. He joined the ranks of the unemployed.

A. Tim joined the ranks of the unemployed because he graduated with a good degree.

B. If Tim graduated with a good degree, he would join the ranks of the unemployed.

C. Though Tim graduated with a good degree, he joined the ranks of the unemployed.

D. That Tim graduated with a good degree helped him join the ranks of the unemployed.

Câu 6: Jack has won a jackpot prize. 10% of it was donated to flooded areas.

A. Jack has won a jackpot prize, 10% which half was donated to flooded areas.

B. Jack has won a jackpot prize, 10% of which was donated to flooded areas.

C. Jack has won a jackpot prize, 10% of that was donated to flooded areas.

D. Jack has won a jackpot prize, which was donated to flooded areas.