Câu hỏi: I last saw Bob when I was in Ho Chi Minh City.

A. I didn't see Bob since I was in Ho Chi Minh City.

B. I could see Bob if I was in Ho Chi Minh City.

C. I haven't seen Bob since I was in Ho Chi Minh City.

D. When I was in Ho Chi Minh City, I saw Bob.

Câu 1: I should have finished my work last night but I was exhausted.

A. Last night I was exhausted but I tried to finish my work.

B. My work was finished last night but I was exhausted.

C. I did finished my work last night thought I was exhausted.

D. I was exhausted so I didn’t finish my work yesterday as planned.

Câu 2: "Why don't you ask the teacher for help?" Peter asked me.

A. Peter told me the reason why I did not ask the teacher for help.

B. Peter recommended me not to ask the teacher for help.

C. Peter advised me to ask the teacher for help.

D. Peter suggested that he should ask the teacher for help.

Câu 3: When the unemployment rate is high, the crime rate is usually also high.

A. The unemployment rate and the crime rate are both high.

B. The unemployment rate is as high as crime rate.

C. The high rate of unemployment depends on the high rate of crime.

D. The higher unemployment rate is, the higher crime rate is.

Câu 4: He didn't know how to swim until he was 30.

A. It was not until he was 30 that he knew how to swim.

B. He knew how to swim after his 30s.

C. It took him 30 years to know how to swim.

D. He still didn't know how to swim until his 30s.

Câu 5: No one has seen Linda since the day of the party.

A. Linda has not been seen since the day of the party.

B. Linda is nowhere to be seen at the party.

C. The party is going on without Linda.

D. No one has seen Linda for ages.

Câu 6: They are going to hold next year's congress in San Francisco.

A. Congress is going to be held next year in San Francisco.

B. Congress in San Francisco is going to be held next year.

C. Next year's congress is going to be held by them held next year.

D. Next year's congress is going to be held in San Francisco.