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: 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 2: 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 3: He felt very tired. He was determined to continue to climb up the mountain.

A. He felt so tired that he was determined to continue to climb up the mountain.

B. Feeling very tired, he was determined to continue to climb up the mountain.

C. Tired as he might, he was determined to continue to climb up the mountain.

D. As result of his tiredness, he was determined to continue to climb up the mountain.

Câu 4: She gave in her notice. She planned to start her new job in January.

A. She gave in her notice, plan to start her new job in January

B. She gave in her notice with a view to starting her new job in January

C. Her notice was given in with an aim to start her new job in January

D. Her notice was given in order for her to start her new job in January.

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: "Getting a good job doesn't matter much to me"

A. "I am only interested in getting a good job."

B. "It's interesting for me to get a good job."

C. "I am not good at getting a good job."

D. "I don't care about getting a good job."