Câu hỏi: 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.

Câu 1: 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 2: 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 3: He arrived early, which made everyone surprised.

A. Everyone was surprised at his early arrival.

B. He was so surprised that he arrived early.

C. He was so surprised that everyone arrived early.

D. It was so surprising that everyone arrived early.

Câu 4: 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 5: It was so late that nothing could be done.

A. It was too late for nothing to be done.

B. It was too late for anything to be done.

C. It was such late that nothing could be done.

D. It was so late that nothing to be done.

Câu 6: No one has seen Linda since the day of the party.

A. Linda has not been seen since the day of the party.

B. Linda is nowhere to be seen at the party.

C. The party is going on without Linda.

D. No one has seen Linda for ages.