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: Darwin/ who/ be/ famous/ English/ scientist/ develop/ theory/ evolution/.

A. Darwin who is a famous English scientist developed a theory of evolution.

B. Darwin who was the famous English scientist develops the theory for evolution.

C. Darwin, who is a famous English scientist, has developed a theory on evolution.

D. Darwin, who was a famous English scientist, developed the theory of evolution.

Câu 2: 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.

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: 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: 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 6: 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.