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。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。

    Last Sunday, I went to the zoo with Lily. There was lots of people there. I found a girl cry in the zoo. She was lost and can't find her mother. We decided to help her. I tried my best find the broadcasting station in the zoo. On the same time Lily played with her and looked after her careful there. The little girl stopped crying played with Lily. At last his mother came, that made me feel very happy. I thought I really did a good thing. If everyone helps with each other, the world will become more beautiful.