Câu hỏi: I didn’t know you were coming, so I didn’t wait for you.

A. If I had known you were coming, I wouldn’t have waited for you.

B. I would have waited for you if I knew you were coming.

C. If I had know you were coming, I would wait for you.

D. Had I known you were coming, I would have waited for you.

Câu 1: We spent about one-third of our lives sleeping. We know relatively little about sleep.

A. We know relatively little about sleep, as a result, we spend about one-third of our lives sleeping.

B. We shall know more about sleep if we spend more than one-third of our lives sleeping.

C. We spend about one-third of our lives sleeping so that we know relatively little about sleep.

D. Despite spending about one-third of our lives sleeping, we know relatively little about sleep.

Câu 2: My advice is that you get straight to the point in the next report.

A. If I were you, I would go straight to the bush in the next report.

B. If I were you, I would have the next report got started.

C. If I were you, I would not beat around the bush in the next report.

D. If I were you, I would not point out the next report.

Câu 3: The young girl has great experience of nursing. She has worked as a hospital volunteer for years.

A. Before she worked as a hospital volunteer for years, the young girl has great experience of nursing.

B. Much as she has worked as a hospital volunteer for years, the young girl has great experience of nursing.

C. Having worked as a hospital volunteer for years, the young girl has great experience of nursing.

D. With great experience of nursing, the young girl has worked as a hospital volunteer for years.

Câu 4: Harry no longer smokes a lot.

A. Harry now smokes a lot.

B. Harry used to smoke a lot.

C. Harry didn’t use to smoke a lot.

D. Harry rarely smoked a lot.

Câu 5: We survived that accident because we were wearing our seat belts.

A. If we weren't wearing our seat belts, we couldn't have survived that accident.

B. But for our seat belts, we would have survived that accident.

C. Had we not been wearing our seat belts, we wouldn't have survived that accident.

D. Without our seat belts, we could have survived that accident.

Câu 6: Jack has won a jackpot prize. 10% of it was donated to flooded areas.

A. Jack has won a jackpot prize, 10% which half was donated to flooded areas.

B. Jack has won a jackpot prize, 10% of which was donated to flooded areas.

C. Jack has won a jackpot prize, 10% of that was donated to flooded areas.

D. Jack has won a jackpot prize, which was donated to flooded areas.