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: 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 2: Your hair badly needs…………, Tom! 

A. cut

B. cutting 

C. to cut

D. be cut

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: 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: Would you mind turning your radio down a little please? 

A. I would like you to turn off the radio.

B. Your radio is a little down. Please turn it up. 

C. I would like to listen to the radio. 

D. Please would you turn your radio down a little? 

Câu 6: How long is it since they bought the house?. 

A. When will they buy the house? 

B. When did they buy the house?

C. How long was the house built?

D. When can they build the house?