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: “Why don’t you have your room repainted?” said Robert to Lan.

A. Robert suggested having Lam’s room repainted.

B. Robert asked Lam why you didn’t have your room repainted.

C. Robert wanted to know why Lam doesn’t have his room repainted.

D. Robert suggested that Lam should have his room repainted.

Câu 2: 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 3: 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 4: People believed that Jane retired because of her poor health.

A. Jane is believed to have retired because of her poor health.

B. Jane was believed to have retired because of her poor health.

C. It is believed that Jane retired because of her poor health.

D. Jane retired because of her poor health was believed.

Câu 5: People say that at least ten applicants have been selected for the job interview.

A. It is said that well over ten people are interested in having an interview for the job.

B. It is said that no fewer than ten people are going to be interviewed for the job.

C. People say that fewer than ten job interviews have been held so far.

D. I have heard that only ten people have been chosen to have the job interviewed.

Câu 6: 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.