Câu hỏi: I'd have bought Sam's car if I'd known he was selling it. 

A. I knew Sam wanted to sell his car.

B. I didn't buy Sam's car because I didn't know he was selling it.

C. I bought the car without knowing it was Sam's.

D. I'll buy the car as soon as Sam decides to sell it.

Câu 1: Refusal to give a breath sample to the police could lead to your arrest. 

A. If you are arrested, you have to give a breath sample.

B. If a breath sample is not given, the police will refuse to arrest you. 

C. You could be arrested for not giving a breath sample to the police.

D. The police arrest you if you give a sample breath. 

Câu 2: My mother never allows me to go out alone at night. 

A. I was not allowed to go out at night with my friends.

B. My mother never goes out with me at night.

C. My mother never lets me go out alone at night. 

D. According to my mother, going out alone at night is what I should do.

Câu 3: There's no point in persuading him to do this. 

A. It is useless to persuade him to do this.

B. He is able to do this although he does not want to. 

C. I enjoy persuading him to do this.

D. It would be useful to persuade him to do this.

Câu 4: He survived the operation thanks to skilful surgery.

A. He survived because he was a skilful surgeon. 

B. Without skilful surgery, he would have died.

C. Because skilful surgery, he survived the operation

D. He died after the operation. 

Câu 5: She started working as a secretary five years ago. 

A. She will work as a secretary for five years.

B. She worked as a secretary forfive years.

C. She hasn't worked as a secretary for five years. 

D. She has worked as a secretary for five years.

Câu 6: The film was so boring that I fell asleep. 

A. I fell asleep because the film was very boring.

B. It was such an interesting film that I fell asleep.

C. The film was interesting enough, but I fell asleep.

D. The film was too boring for me to fall asleep.