(2010·山东省实验中学检测)He was down with the flu.and couldn't come to the meeting. A.however B.otherwise C.therefore D.besides 解析:根据句意.两句话之间在逻辑上为因果关系.而且and therefore意为“因此. 所以 .故选C. 答案:C 查看更多

 

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