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: 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 2: 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 3: Brian told me that somebody had attacked him in the street.

A. I was told by Brian that somebody had attacked him in the street.

B. Brian told me that he had been attacked in the street.

C. I was told by Brian that he had been attacked in the street.

D. Brian told me to have been attacked in the street.

Câu 4: 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 5: 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 6: People don’t use this road very often.

A. Not very often this road is not used.

B. This road very often is not used.

C. This road is not used very often

D. This road not very often is used.