【Jerryboy】評論
原句:Because I saw her crying so sadly, I stayed with her until her mother came back.改成 Seeing her crying so sadly, I stayed with her until her mother came back.
【葉子】評論
連接詞連接副詞子句的S與主要子句S相同時,可改成分詞構句~1.去連接詞2.動詞改成分詞