— I suppose I’ll have to ask someone else to see me off .
— I’m afraid so . I would see you off if I     ,but I      .
A．would ; won’tB．could ; can’tC．might ; needn’tD．should ; mustn’t
B 
前一空用 could 構(gòu)成虛擬語氣，第二空用can’t 表示事實
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