— Change the sentences from Direct Speech into Indirect Speech, and remember to change the tenses. 

— _________　　

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A. Yes, I'll change it at once.　　

B. Pardon, will you please say it again? 　　

C. No, I'm sorry. I don't quite follow you. 　　

D. Excuse me, will you say it again?

Change the following sentences into passive voice.

They are collecting money for they broadband project.

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Change the following sentences into passive voice.

They are writing a report about the negative effects of cellphones in school.

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Change the following sentences into passive voice.

They are building a computer centre for the students.

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Change the following sentences into passive voice.

The parents are taking good care of their test－tube baby.

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