Bài tập câu bị động thì quá khứ đơn 
1. Boyfriend installed it yesterday 
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2. They built that house five years ago
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3. He wrote these books for the children
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4. A man returned the keys to me 
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5. Vinh rented a car last week
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6. Alexandar Graham Bell invented the telephone in 1876 
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7. Nam repainted the school gate last week
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8. She buoght a lot of flowers for her monther
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9. Christopher discovered America in 1949
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10. My father told the funny story last night
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11. The policeman took Lam to the police station
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12. Mr. Ha repaired this machine yesterday
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13. My mother kept clean the kitchen
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14. Tim took Hoa to the chocolate factory yesterday
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15. People built this school two years ago 
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16. My mother took me to the zoo yesterday 
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17. Mr. Thoi taught me English last year
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