Change the follow ing sentences into the passive. (Chuyển các câu sau sang bị động)

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I. Change the follow ing sentences into the passive. (Chuyển các câu sau sang bị động)
1. People grow rice in many countries in the world.
> Rice
2. Graham Bell invented the telephone many years ago.
> The telephone
3. They have used this car for many years.
-> This car
4. Lan practices English every day.
> English
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