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5. They will take the garbage out of the city.

-> The garbage _____________________________

6. Mary sent me this letter two days ago.

-> I _________________________________________

7. People make compost from vegetables.

-> Compost ____________________________________

8. You must finish this work before Sunday.

-> This work _____________________________________

9. She hasn't used this bicycle for a long time.

-> This bicycle __________________________________

10. I saw a strange man in my garden yesterday.

-> A strange man _______________________________

11. They clean the floor every morning.

-> The floor ____________________________________

12. They will solve the problem soon.

-> The problem __________________________________

13. They break the glass into small pieces.

-> The glass ____________________________________

15. They made these cars in the USA.

-> These cars ______________________________________

16. People have used the Internet all over the world.

-> The Internet ___________________________

17. We planted many trees in the school garden.

-> Many trees _________________________________