题目内容

5．Onseeing （see） her mother，she burst into tears．

分析 一看到她母亲，她就放声大哭起来．

解答 答案：seeing
此处用作介词On的宾语，所以应使用动名词形式，故填seeing．

点评 本题考查了在介词之后使用动名词作宾语的用法．

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