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: Their parents gave them permission to get married.

A. “You must get married”, their parents told them.

B. “You ought to get married”, their parents told them.

C. “I give you permission to get married”, their parents told them.

D. “You may get married”, their parents told them.

Câu 3: Put your coat on. You will get cold.

A. You will not get cold unless you put your coat on.

B. Put your coat on, otherwise you will get cold.

C. It is not until you put your coat on that you will get cold.

D. You not only put your coat on but also get cold.

Câu 4: I really believe my letter came as a great surprise to John.

A. John might be very surprised to receive my letter.

B. John might have been very surprised to receive my letter.

C. John must be very surprised to receive my letter.

D. John must have been very surprised to receive my letter.

Câu 5: The sooner we solve the problem with controlling weapons, the better it will be for all.

A. If we could solve the problem with controlling weapons, the better it will be for all.

B. If would be better for all if we can solve the problem with controlling weapons soon.

C. If all are better, we can solve the problem with controlling weapons.

D. If we can solve the problem with controlling weapons soon, it will be better for all.

Câu 6: 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.