Câu bị động ở thì quá khứ đơn
1.People see the valley from the top of the hill.
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2.The students alway erase the chalk board aften class.
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3.Our friend send these postcards
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4.He picked up the gun.
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5.We stopped the bus.
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6.A thief stole my car.
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7.She didn't win the prize.
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8.They didn't make their beds.
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9.My mother cleaned the floor yesterday.
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10.My father watered these flowers.
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11.John invited Fiona to his birthday party last night.
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