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    39．A．must have done B．should have done C．could do D．had done 【查看更多】

     

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    What a pity．Considering your experience, you _________ better．

    [　　]
    A．

    need have done

    B．

    must have done

    C．

    could have done

    D．

    should do

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    ―How could I thank you enough?

    ―Don’t mention it.Anyone else _______ that.

    A．must do                                       B．could do     

    C．would have done                          D．should have done

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    －How could I thank you enough? －Don’t mention it. Any other man __________ that.

    A．must do

    B．could do

    C．would have done

    D．should have done

     

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    --Who has broken the window in my room?

    　 --Who else _________ it but your naughty son!

    　 A．could do　　　　　　　　　 　 B．could have done

    　 C．should have done　　　　　　 D．must have done

     

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    －How could I thank you enough?

    －Don't mention it. Any other man ________ that.

    [　　]

    A．must do
    B．could do
    C．would have done
    D．should have done

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