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: 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 2: 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 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: 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 5: Although Chris was the stronger of the two, his opponent soon overpowered him.

A. Despite his superior strength, Chris was soon overpowered by his opponent.

B. Chis was not as strong as his opponent but he soon overpowered the other

C. Chris lost because he had no power.

D. Because Chris was strong, he soon overpowered his opponent.

Câu 6: Your hair badly needs…………, Tom! 

A. cut

B. cutting 

C. to cut

D. be cut