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: It doesn't cost much to run a solar power system.

A. A solar power system is quite cheap to set up.

B. Running a solar power system costs nothing.

C. A solar power system costs so much to run.

D. Running a solar power system is not costly.

Câu 2: 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 3: 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 4: 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 5: 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 6: Steve said to Mike, “Don’t touch the electric wires. It might be deadly.”

A. Steve advised Mike not to touch the electric wires as it might be deadly.

B. Steve warned Mike not to touch the wires as it might be deadly.

C. Steve suggested that Mike not touch the electric wires as it might be deadly.

D. Steve did not allow Mike to touch the electric wires as it might be deadly.