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Ответ:

1.A hamburger has been eaten by me.

2.The old library has been rebuilt by them.

3.The present has been opened by me.

4.The book has not been read by them.

5.The postcard has not been sent by you.

6.Her new book has been published recently by them.

7.A new theatre has been opened by them.

8.I have been shown Jack's new car.

9.Bread has been bought by me on the way home.

Объяснение: