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: Not until I left home did I realize how much my father meant to me. 

A. I realized how much my father meant to me just when I was home.

B. I left home and didn't realize how much my father meant to me.

C. It was only when I left home that I realized how much my father meant to me. 

D. Before I left home, I had realized how much my father meant to me. 

Câu 2: Nancy isn't used to walking so far. 

A. Nancy isn't accustomed to walking so far.

B. Nancy doesn’t like walking so far.

C. Nancy used to walk further. 

D. Nancy often walks such a long way.

Câu 3: 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 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: By next Friday, Sam……….five speeches. 

A. gives 

B. will give

C. will have given

D. has given

Câu 6: 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.