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    7．A good idea occurred to Mr Baker to his invention recently. A．while applying B．while applied C．while he was applying himself D． while applying himself 【查看更多】

     

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    A good idea occurred to Mr. Baker ______to his invention recently.

    A．while applying                              B．while applied   

    C．while he was applying himself       D． while applying himself

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    A good idea occurred to Mr Baker ______to his invention recently.

    A．while applying                                         B．while applied

    C．while he was applying himself            D．while applying himself

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    A good idea occurred to Mr. Baker________ to his invention recently.

    A．While applying B．While applied
    C．While he was applying himself D．While applying himself

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    A good idea occurred to Mr Baker ________ to his invention recently．

    [　　]

    A．while applying

    B．while applied

    C．while he was applying himself

    D．while applying himself

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