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    They apologized for to attend the meeting. A. their not being able B. their being not able C. them not able D. them being able not 【查看更多】

     

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    . They apologized for ______ to attend the meeting.

    A. their not being able B. their being not able C. them not ableD. them being able not

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    They apologized for ______ to attend the meeting.

    　　A. their not being able   B. their being not able

    　　C. them not able       　 D. them being able not

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