Câu hỏi: He didn't know how to swim until he was 30.

A. It was not until he was 30 that he knew how to swim.

B. He knew how to swim after his 30s.

C. It took him 30 years to know how to swim.

D. He still didn't know how to swim until his 30s.

Câu 1: The test was so difficult that we couldn’t finish it in two hours.

A. It was such a difficult test that we couldn’t finish it in two hours.

B. The test was too difficult for us to finish it in two hours.

C. The test was not difficult enough for us to finish in two hours.

D. The test was too difficult for us to finish it in two hour.

Câu 2: This is the first time I have lived in such a friendly neighborhood.

A. I have lived in such a friendly neighborhood before.

B. I haven’t lived in such a friendly neighborhood before.

C. I had lived in such a friendly neighborhood before.

D. I hadn’t lived in such a friendly neighborhood before.

Câu 3: We have run out of the items you want.

A. We have to run out to buy the items you want.

B. The items you want are out of our shop.

C. For the items you want, we must run out.

D. The items you want have been out of stock.

Câu 4: He talked about nothing except the weather.

A. He talked about everything including weather.

B. His sole topic of conversation was the weather.

C. He had nothing to say about the weather.

D. He said he had no interest in the weather.

Câu 5: An electrical fault could have caused the fire.

A. An electrical fault could have been caused by the fire.

B. An electrical fault could have caused the fire.

C. The fire could have caused an electrical fault.

D. The fire could have been caused by a electrical fault.

Câu 6: I last saw Bob when I was in Ho Chi Minh City.

A. I didn't see Bob since I was in Ho Chi Minh City.

B. I could see Bob if I was in Ho Chi Minh City.

C. I haven't seen Bob since I was in Ho Chi Minh City.

D. When I was in Ho Chi Minh City, I saw Bob.