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 believe that the thieves got in through the kitchen window.

A. The thieves are believed to have got in through the kitchen window.

B. The thieves are believed to get in through the kitchen window.

C. They believe the thieves got in through the kitchen window.

D. They believe the thieves have got in through the kitchen window.

Câu 2: Nobody told me that George was ill.

A. I was told that george wasn’t ill.

B. I wasn’t told that George was ill.

C. George wasn’t told to be ill.

D. George was told not to be ill.

Câu 3: Somebody cleans the room everyday.

A. The room everyday is cleaned.

B. The roon is everyday cleaned.

C. The room is cleaned everyday.

D. The room is cleaned by somebody everyday.

Câu 4: They say that many people are homeless after the tsunami.

A. They say many people to have been homeless after the tsunami.

B. They say many people to be homeless after the tsunami.

C. Many people are said to be homeless after the tsunami.

Câu 5: They have built a new hospital near the airport.

A. A new hospital has been built near the airport by them.

B.  A new hospital has been built near the airport.

C. A new hospital near the airport has been built.

D. Near the airport a new hospital has been.

Câu 6: 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.