Câu hỏi: People should send their complaints to the head office.

A. Complaints should be sent to the head office by people.

B. Their complaints should be sent to the head office.

C. Their complaints to the head office should be sent.

D. Complaints should be sent to the head office.

Câu 1: They cancelled all flights because offog.

A. All flights because of fog were cancelled.

B. All flights were cancelled because of fog.

C. All flights were because of fog cancelled.

D. All flights were cancelled by them because of fog.

Câu 2: They had to postpone the meeting because of illness.

A. The meeting because of illness be postponed.

B. The meeting had to be postponed because of illness.

C. The meeting had to be postponed by them because of illness.

D. The meeting because of illness had to be postponed.

Câu 3: Somebody might have stolen your car.

A. Somebody might have stolen your car.

B. Your car might be stolen.

C. Your car might have been stolen.

D. Your car might have been stolen by somebody.

Câu 4: An electricalfault 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 been caused by an electrical fault.

D. The fire could have caused an electrical fault.

Câu 5: How do people learn languages.?

A. How are languages learned by people ?

B. How languages are learned?

C. Languages are learned how?

D. How are languages learned?

Câu 6: people warned us not to go out alone.

A. We were warned not going out alone.

B. We were warned not to go out alone by people.

C. We were warned not to go out alone.

D. We weren’t warned to go out alone.