Change the following sentences into pasive coice.
1. It is impossible for her to do this
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2. She advised me to sell this house
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3. Don't let your brother see you
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4. We can't repair your watch
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5. They shouldn't have told him
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6. You needn't type this letter
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7. People call him pop-singer
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8. Do they have to grow grass?
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9. Who wrote this book?
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10. I think I should tell everybody about it
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