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    23、No friend or relative can visit the patient unless ________ by the doctor.

    A．being permitted                                          B．permitting

    C．they’re permitted                                       D．he’s permitted

     

     

    23、D

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    No friend or relative can visit the patient unless ________ by the doctor.

    A．being permitted                                          B．permitting

    C．they’re permitted                                       D．he’s permitted

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