Câu hỏi: 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 1: 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 2: No other city in Vietnam is so large as Ho Chi Minh City.

A. Ho Chi Minh City is as large as other cities in Vietnam.

B. Ho Chi Minh City is the largest city in Vietnam.

C. Ho Chi Minh City is not so large as other cities in Vietnam.

D. Other cities in Vietnam are larger than Ho Chi Minh City.

Câu 3: 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 4: If I won a big prize in a lottery, I'd give up my job.

A. Although I won the lottery, I gave up my job.

B. Were I to win the lottery, I gave up my job.

C. Unless I won the lottery, I gave up my job.

D. Had I won the lottery, I gave up my job.

Câu 5: 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 6: Sue is too slow to understand what you might say.

A. Sue is not enough quick to understand what you might say.

B. What you might say, Sue can understand slowly.

C. Sue is so slow to understand what you might say.

D. So slow is Sue that she can’t understand what you might say.