Turn these sentences into passive

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Exercise 2: Turn these sentences into passive
1. Do they teach English here?
2. Will you invite her to your wedding party?
3. Has Tom finished the work?
4. Did the teacher give some exercises?
5. Have they changed the window of the laboratory?
6. What books are people reading this year?
7. How did the police find the lost man?
8. Who look after the children for you?
9. How long have they waited for the doctor?
10. What time can the boys hand in their papers?