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: By next Friday, Sam……….five speeches. 

A. gives 

B. will give

C. will have given

D. has given

Câu 2: There was no alternative for them but to look for a new flat. 

A. They couldn't alter their new flat.

B. They can't look for a new flat now. 

C. They didn't need to look for a new flat because of other alternatives. 

D. The only thing they could do was to look for a new flat. 

Câu 3: 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 4: It was thought that the accident was caused by human error. 

A. People think that human error causes the accident. 

B. The accident was thought to be caused by human error. 

C. The accident is thought to cause human error

D. People thought that the accident is caused by human error. 

Câu 5: I plan to come back to Korean, ………..we had a chance to visit ten years ago. 

A. which

B. where

C. that

D. in which

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.