I.Change these sentences into passive
17. Alexandar Graham Bell invented the telephone in 1876.
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18. Nam repainted the school gate last week.
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19. People can use the train a lot.
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20. Christopher discovered America in 1949.
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21. Minh has seen the accident on the road.
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22. My father told the funny story last night.
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23. The policeman took Lam to the police station.
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24. Mr. Ha repaired this machine yesterday.
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25. My mother kept clean the kitchen.
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26. The little has eaten the eggs.
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27. Tim took Hoa to the chocolate factory yesterday.
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28. We do our homework everyday.
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