Change active into passive:
1. Mary types letters in the office.
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2. His father will help you tomorrow.
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3. Science and technology have changed human life.
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4. Peter broke this bottle yesterday.
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5. They can’t make tea with cold water.
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6. Mary is cutting a cake with a sharp knife.
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7. People speak English in almost every corner of the world.
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8. You mustn’t use this machine after 5:30 p.m.
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9. After class, the students always erases the chalk board.
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10. They are watering the flowers.
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Loga
Sinh Học lớp 12
