Turn these sentences into the passive voice

I. Turn these sentences into the passive voice:
1. The storm destroyed thirty house.
2. He bought some books yesterday.
3. He called Mary yesterday.
4. They didn't sell that house yesterday.
5. These worker built a new hospital last year.
6. Nobody used this room a week ago.
7. Mary's parents sent her some many.
8. My mother bought me a new blouse
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