Câu hỏi: The government knows the extent of the problem. The government needs to take action soon.

A. The government knows the extent of the problem whereas it needs to take action soon.

B. The government knows the extent of the problem so that it needs to take action soon.

C. Knowing the extent of the problem, the government needs to take action soon.

D. The government knows the extent of the problem, or else it needs to take action soon.

Câu 1: They were exposed to biased information, so they didn't know the true story.

A. If they got unbiased information, they could know the true story.

B. If they had unbiased the information, they could have known the true story.

C. If they had been exposed to unbiased information, they would have known the true story.

D. If they have exposed to the unbiased information, they could have seen the true story.

Câu 2: He smokes too much; perhaps that’s why he can’t get rid of his cough.

A. If he didn’t smoke so much, he may get rid of his cough.

B. If he smoked less, he might be able to get rid of his cough.

C. If he smoked so much, he couldn’t get rid of his cough.

D. If he does not smoke, he may not have his cough.

Câu 3: He is very intelligent. He can solve all the problems in no time.

A. So intelligent is he that he can solve all the problems in no time.

B. He is very intelligent that he can solve all the problems in no time.

C. An intelligent student is he that he can solve all the problems in no time.

D. So intelligent a student is he that he can solve all the problems in no time.

Câu 4: 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 5: 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 6: 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.