题目内容：

短文改错（共10小题；每小题1分，满分10分）

假段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。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(＼)划掉。

修改：在错的词下画一横线，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

As a student, Li Hua works very harder at his lessons, so he is always one of the top student in our class. He loves sports very much that he makes it a rule to play the football at weekends with his friends. Li Hua is concerning about the students who are not good at their lessons, so she always helps them after class.

As a monitor, Li Hua has organized some voluntary activities successful. We visit a nursing home last month, and we pick rubbish in the park near our school every week. What we do is warmly welcomed by the community. This is how Li Hua is so popular.