Forme die Sätze ins Passiv um!

1. Kerrie has paid the bill.
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2. I have eaten a hamburger.
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3. We have cycled five miles.
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4. I have opened the present.
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5. They have not read the book.
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6. You have not sent the parcel.
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7. We have not agreed to this issue.
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8. They have not caught the thieves.
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9. Has she phoned him?
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10. Have they noticed us?
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