having been ill for a long time,so she ell behind her classmates为什么so是多余的?急
having been ill for a long time,so she ell behind her classmates为什么so是多余的?
having been ill for a long time,so she fell behind her classmates为什么so是多余的?
人气：259 ℃ 时间：2019-12-16 22:03:30
解答
分词短语having been ill for a long time 作状语,表原因,so 当连词无句子可连,作副词用多余.
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