Câu hỏi: 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 1: 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?

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: 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. 

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: Our opinions on the subject are identical. 

A. There's some difference in our opinions on the subject.

B. We differ in opinions on the subject.

C. We have the same opinions on the subject.

D. We look like each other.

Câu 6: 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.