Rewrite the sentences in the passive voice form: Lan buys some new books

Rewrite the sentences in the passive voice form
1. Lan buys some new books--->
2. They will visit the temple next week--->
3. My friend are going to send me a letter next week--->
4. We collected used paper for recycling--->
5. She cleans the house every day--->
6. Many people speak English in over the world--->
7. I eat an orange each day--->
8. He usually reads 2 newpapers a day--->
9. I may invite Lan to my birthday party--->
10. I saw John in front of the theatre--->
11. Tom has written this report since yesterday--->
12. She was planting flowers in the garden when we came--->
13. Our teacher holds a class discussion every month--->
14. Miss HOA teaches my sister English--->
15. People use milk for making butter and cheese--->
16. Does Mr.Green often take them to the cinema on Sundays?--->
17. Are they holding a meeting at the moment?--->
18. The weather has turned all the leaves yellow--->
19. People play football all over the world--->
20. People had spoken French in Canada before the second world world--->