Change these sentences into passive

III/ Change these sentences into passive:

1. Some body cleans the house every day.

-> ……………………………………………………………………………..

2. How do people learn language?

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3. John will collect me at the airport.

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4. Mr. Robinson teaches us how to speak English properly.

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5. Your teacher must sign this form.

-> ……………………………………………………………………………..

6. People play football all over the world.

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7. Our form teacher will hold a class discussion next Monday.

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8. Will you invite her to your birthday party?

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9. We can't wear jeans at work.

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10. Do they speak French and English in Canada?

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11. They separated the rice from the husk.

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12. The boys made a fire by their camp.

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13. They built this house more than one hundred years ago.

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14. Every year Viet Nam exports millions of tons of rice.

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15. Vietnamese people celebrate their Lunar New Year around January or February.

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16. After Tet holiday Vietnamese people usually plant trees in their neighborhood.

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17. How many festivals do you celebrate in your community?

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18. How many motorbikes does Viet Nam import a year?

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19. The publisher published his book in 1996.

-> ……………………………………………………………………………..

20. They repaired our desk during the weekend.