Câu hỏi: I had to do my homework. I could not help my mother with the washing-up.

A. Because I was busy doing my homework, I could not help my mother with the washing-up.

B. I could not help my mother with the washing-up until I finished my homework.

C. It was impossible for me to do my homework although my mother helped me with the washing-up.

D. I could not do my homework because I had to help my mother with the washing-up.

Câu 1: No one but the experts was able to realize that the painting was an imitation. It greatly resembled the original.

A. It was hard for the ordinary people to judge between the fake painting and the real one, but not for the experts.

B. It in obvious that only a person with great talent could fake a painting so successfully.

C. It was almost impossible for amateurs to realize that the painting was not authentic, though the experts could judge it quite easily.

D. The painting looked so much like the authentic to one that only the experts could tell it wasn’t genuine.

Câu 2: After the operation, she recovered far quicker than any of us had expected her to.

A. She recovered from the operation just as quickly as anybody could have hoped.

B. Once the operation was over, her recovery was as fast as it could be expected.

C. To our great surprise, she was back to normal again as soon as the operation was over

D. We were all surprised at how fast her health returned after the operation

Câu 3: Had I known how crowded it’s be, I’d have never moved to Madrid.

A. I moved to Madrid only because I was unaware of how many people were there.

B. Since it was so crowded in Madrid, I decided that I would never move there.

C. In the end, Madrid turned out to be far more crowded than I’d thought before moving there.

D. I would have had a better time living in Madrid if only there hadn’t been so many people.

Câu 4: We gain more knowledge about how to stay safe online. We worry about the threats of cybercrime less.

A. The more knowledge about how to stay safe online we gain, the less we worry about the threats of cybercrime.

B. The more we stay online to gain safety knowledge, the less we worry about the threats of cybercrime.

C. The more knowledge about how to stay safe online we gain, the more we worry about the threats of cybercrime.

D. The more we know about how to stay safe online, we worry about the threats of cybercrime less.

Câu 5: The number of accidents has gone down steadily since the speed limit was imposed.

A. There has been a steady decline in the number of accidents since the speed limit was imposed

B. It in the speed limit that reduces steadily the number of accidents.

C. The imposing of speed limit has resulted from the number of accidents.

D. The have been few accidents than before since they used the speed limit.

Câu 6: His irresponsible attitude is putting his career in jeopardy.

A. His so irresponsible that he has no career.

B. His irresponsible attitude is endangering his career.

C. His career is to jeopardize irresponsible attitude.

D. Both A and C