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: 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 3: 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 4: "If only I'd learnt to drive," Roger said. 

A. Roger thinks he should learn to drive now. 

B. Roger is pleased he learnt to drive. 

C. Roger wishes he had learnt to drive.

D. Roger regrets learning to drive. 

Câu 5: 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 6: The holiday wouldn't have cost so much if they hadn't gone abroad. 

A. The holiday costs much because they have decided to go abroad. 

B. They went abroad for their holiday. That's why it cost so much. 

C. They didn't go abroad because they couldn’t afford the holiday.

D. They would like to go abroad though the holiday costs much.