Câu hỏi: 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 1: 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 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: 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: Why don’t you take extra classes in English if you want to become a tourist guide?” said my friend.

A. My friend advised me to take extra classes in English only if I wanted to become a tourist guide.

B. My friend suggested I take extra classes in English if I wanted to become a tourist guide.

C. In my friend’s opinion, I will never become a tourist guide if I don’t take extra classes in English.

D. In my friend’s opinion, taking extra classes in English is necessary if I wanted to become a tourist guide.

Câu 5: John is studying hard. He doesn’t want to fail the exam.

A. John is studying hard in Oder not to fail the next exam

B. John is studying hard in Oder that he not fail the next exam

C. John is studying hard so as to fail the next exam

D. John is studying hard in Oder to not to fail the next exam

Câu 6: 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.