A. After being driven to the museum, Professor Kumar was dropped at his hotel.

B. Professor Kumar was being driven dropped at his hotel.

C. After she had driven Professor Kumar to the museum she had dropped him at his hotel.

D. After she was driven Professor Kumar to the museum she had dropped him at his hotel.

A. I remember I was taken to the museum by my sister

B. I remember being taken to the museum by my sister.

C. I remember myself being taken to the museum by my sister.

D. I remember taken to the museum by my sister

A. Who has been created this mess?

B. By whom has this mess been created?

C. By whom this mess is being created?

D. By whom is this mess being created?

A. Every morning I was greeted cheerfully

B. I am greeted cheerfully by them every morning

C. I am being greeted cheerfully by them every morning

D. Cheerful greeting is done by them every morning to me.

A. Tea is being grown in Darjeeling

B. Let the tea be grown in Darjeeling.

C. Tea is grown in Darjeeling.

D. Tea grows in Darjeeling.

A. Across the river a perfect dam was built.

B. A perfect dam has been built by them across the river

C. A perfect dam should have been built by them.

D. Across the river was a perfect dam

A. Are others being imitated by you?

B. Are others imitated by you?

C. Have others being imitated by you?

D. Were others being imitated by you?

A. Your shoes are needed to clean properly.

B. You are needed to clean your shoes properly.

C. Your shoes need to be cleaned properly.

D. Your shoes are needed by you to clean properly.

A. He said he is very rich

B. People say he is very rich

C. He said it is very rich.

D. People say it is very rich.

A. The instructions were read by the invigilator.

B. The instructions were being read out by the invigilator.

C. The instructions had been read out by the invigilator.

D. The instructions had been read by the invigilator.