Câu hỏi: 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 1: 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 2: There 's no need for you to talk so loudly

A. You musn't talk loudly.

B. Please talk louder so that everyone can hear you.

C. I want you to talk as loudly as possible.

D. You don't have to talk so loudly.

Câu 3: 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 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: 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 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.