Chuyển câu chủ động thành câu bị động 
1 .My jather waters the tree every morning 
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2.She ís prepare the dinner in the kitchen
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3.We shoulld clean our teeth twice a day 
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4. Our teachers have expained the task
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5 .Tom will meet Linda next Monday
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6. Many gave me a new pen 
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7 .He brings me a book 
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8 .Tim ordered this train ticket
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9.They are making a medel in the room
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10. We will buy a car in Ha Noi
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