Câu hỏi: 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 1: 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 2: 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 3: They think that the prisoner escaped by climbing over the wall

A. The prisoner is thought to escape by climbing over the wall.

B. The prisoner is thought escaped by climbing over the wall.

C. The prisoner is thought having escaped by climbing over the wall.

D. The prisoner is thought to have escaped by climbing over the wall.

Câu 4: 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.

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: We will send you the results as soon as they are ready.

A. The results will be sent you by us as soon as they are ready.

B. The results will be sent you as soon as they are ready by us.

C. You will be sent the results as soon as they are ready by us.

D. You will be sent the results as soon as they are ready.