1. The book was written by the famous author.
2. The experiment was conducted by the research team.
3. The report was submitted by the student.
4. The gift was given by the teacher.
5. The letter was sent by the postman.
6. The cake was baked by the chef.
7. The movie was directed by the renowned filmmaker.
8. The award was presented by the president.
9. The speech was delivered by the guest speaker.
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