Change these sentences into the passive voice :
1. My Mom often takes them to the park
2. Tim tells us many things
3. People speak English in many countries
4. They eat a lot of cakes in the kitchen
5. His wife looks after the children at home
6. Someone opens the door in the morning
7. Her Mom reads many books for entertainment
8. People often play music for entertainment
9. You don't send this letter to your parents
10. The boy doesn't see her at the office
11. Children never do this job
12. No one helps the old woman to cross the street
13. Nobody washes the dishes for me
14. They prevented her from taking the medicine
15. Timmy looked for his pen last week
16. Mr John took us to the zoo last year
17. I showed them the way to the museum
18. we built a lot of school for poor children
19. My sister won the first prize in the race
20. He did his homework after watching TV last night