题目内容：

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。作文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（^），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1. 每处错误及其修改均仅限一词；

      2. 只允许修改10处，多者（从第11处起）不计分。

    One day Li Ping was riding in the street when the old man came across the street without noticing her . The old man knocked down . Instead of help him stand up , Li Ping shouted at the old man angrily . The old man said nothing more . Then Li Ping rode away at a high speed . Several minutes late , she remembered her shoes which had been on the backseat of the bicycle , and now they are missing . She hurried back to the place that the accident took place . Much to his surprise , Li Ping found the old man waiting her . She felt really ashamed when the old man handed the shoe back to her .