Câu hỏi: The substance is very toxic. Protective clothing must be worn at all times.

A. Since the substance is very toxic, so protective clothing must be worn at all times.

B. So toxic is the substance that protective clothing must be worn at all times.

C. The substance is such toxic that protective clothing must be worn at all times.

D. The substance is too toxic to wear protective clothing at all times.

Câu 1: “You're always making terrible mistakes”, said the teacher.

A. The teacher asked his students why they always made terrible mistakes.

B. The teacher realized that his students always made terrible mistakes.

C. The teacher complained about his students making terrible mistakes.

D. The teacher made his students not always make terrible mistakes.

Câu 2: I did not see Susan off at the airport. I feel bad about it now.

A. I could have seen Susan off at the airport.

B. If only I had seen Susan off at the airport.

C. That I did not see Susan off at the airport escapes me now.

D. It suddenly dawns on me that I should have seen Susan off at the airport.

Câu 3: There is no point in your phoning Jane – she’s away.

A. It would be a waste of time phoning Jane – she’s away.

B. You waste your time if you insist on phoning Jane – she’s away.

C. Don’t spend your valuable time phoning Jane – she’s out.

D. Jane is very difficult to phone – she’s always away.

Câu 4: There is no doubt that Martin is the best candidate for the job.

A. Martin is by all means the best candidate for the job.

B. Without question, Martin is the best candidate for the job.

C. In all likelihood, Martin is the best candidate for the job.

D. Quite by chance, Martin is the best candidate for the job.

Câu 5: They/ not answer/ phone/ this morning/ so/ must/ out/.

A. They hasn’t answered the phone this morning so they must have been out.

B. They didn’t answer the phone this morning so they must be out.

C. They didn’t answer the phone this morning so they must have gone out.

D. They hasn’t answered the phone this morning so they must go out.

Câu 6: We cut down many forests. The Earth becomes hot.

A. The more forests we cut down, the hotter the Earth becomes.

B. The more we cut down forests, the hotter the Earth becomes.

C. The more forests we cut down, the Earth becomes hotter.

D. The more we cut down forests, the Earth becomes hotter.