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    A. invented B. found C. found out D. discovered 【查看更多】

     

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    Bell           the telephone which is still being used today.    
    [     ]
    A. invented                  
    B. discovered    
    C. found                    
    D. found out

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    We all know that Bell        the telephone. It's very useful today.              
    [     ]
    A. invented      
    B. discovered              
    C. found out    
    D. found

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    Bell ________ the telephone which is still being used today.

    [　　]

    A. invented
    B. discovered
    C. found
    D. found out

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    Bell ________ the telephone which is still being used today.

    [　　]

    A. invented
    B. discovered
    C. found
    D. found out

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    The telephone ________ in 1876 by Bell.

    [　　]

    A．was discovered
    B．was found
    C．was invented
    D．was found out

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