问题描述：
根据句意写出单词的正确形式 为了保险只在采纳的时候加分
( )______ she is ill,______ she ______ stay at home.
A.Because;so;must B.Because;so;has to C.Because;/;has to D./;so;has to
抱歉
( )______ she is ill,______ she ______ stay at home.
A.Because;so;must B.Because;so;has to C.Because;/;has to D./;so;has to
抱歉
问题解答：
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