Chuyển sang câu bị động

Chuyển sang câu bị động
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2.
I have to return these books to the library.
3.
Someone will pay you in ten days.
4. They chose him as the best actor of the year.
5.
The cat has broken many bowls and dishes.
6.
Clement Clarke Moore wrote the poem "A Visit form Saint Nicholas" in 1823.
7.
Someone has already paid the electrician for his work.