Câu hỏi: I should have finished my work last night but I was exhausted.

A. Last night I was exhausted but I tried to finish my work.

B. My work was finished last night but I was exhausted.

C. I did finished my work last night thought I was exhausted.

D. I was exhausted so I didn’t finish my work yesterday as planned.

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: He doesn’t study hard, so he can fail the exam.

A. If he studies hard, he won’t fail the exam.

B. If he didn’t study hard, he wouldn’t fail the exam.

C. If he studied hard, he wouldn’t fail the exam.

D. If he hadn’t studied hard, he wouldn’t have failed the exam.

Câu 3: The rate of inflation has fallen steadily during recent months.

A. There has been a steady decline of the rate of inflation during recent months.

B. There is a steady decline of the rate of inflation during recent months.

C. There is a steady decline of the rate in inflation during recent months.

D. There has been a steady decline in the rate of inflation during recent months.

Câu 4: 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 5: 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 6: 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.