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: 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 2: 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 3: Only Mary scored high enough to pass this test.

A. Only on this test was Mary’s score high enough.

B. Mary was the only person to pass this test.

C. Mary only passed this test because she scored higher than the others.

D. Mary’s score was barely enough to pass.

Câu 4: 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 5: 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 6: The boss was annoyed that his secretary came to work late.

A. The secretary came to work late, which annoyed the boss.

B. The secretary came to work late causing annoyed.

C. That the secretary came to work late annoys the boss.

D. The boss disapproved of his secretary’s coming to work late.