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    34．No one is permitted to enter the hall without first his identification card． A．having to show B．show C．showing D．having shown 【查看更多】

     

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    No one is permitted to enter the hall without first     his identification card．

    A．having to show                        B．show

    C．showing                                  D．having shown

     

     

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    No one is permitted to enter the hall without first     his identification card．

    A．having to show            B．show               C．showing            D．having shown

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