Thay đổi các câu thành dạng thụ động: The milkman brings bottles of milk to houses. Santa Claus gave children presents on Christmas Eve. Jonh will colect me at the airport

1. The milkman brings bottles of milk to houses
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2. Santa Claus gave children presents on Christmas Eve
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3. Jonh will colect me at the airport
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4. The manager must sign the cheque
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5. We can't wear jeans at work
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6. They have built a new house since last week
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7. Do people speak French and English in Canada?
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8. People recyle the empty bottles
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