Câu hỏi: An electrical fault could have caused the fire.

A. An electrical fault could have been caused by the fire.

B. An electrical fault could have caused the fire.

C. The fire could have caused an electrical fault.

D. The fire could have been caused by a electrical fault.

Câu 1: 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 2: 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 3: It was so late that nothing could be done.

A. It was too late for nothing to be done.

B. It was too late for anything to be done.

C. It was such late that nothing could be done.

D. It was so late that nothing to be done.

Câu 4: No other city in Vietnam is so large as Ho Chi Minh City.

A. Ho Chi Minh City is as large as other cities in Vietnam.

B. Ho Chi Minh City is the largest city in Vietnam.

C. Ho Chi Minh City is not so large as other cities in Vietnam.

D. Other cities in Vietnam are larger than Ho Chi Minh City.

Câu 5: He doesn’t study hard, so he can fail the exam.

A. If he studies hard, he won’t fail the exam.

B. If he didn’t study hard, he wouldn’t fail the exam.

C. If he studied hard, he wouldn’t fail the exam.

D. If he hadn’t studied hard, he wouldn’t have failed the exam.

Câu 6: They are building a new highway around the city.

A. Around the city a new highway is being built.

B. A new highway is being built around the city.

C. A new highway is being built around the city by them

D. A new highway around the city is being built.