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。每次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。
Tom, a famous writer, lives just next door to me. He is always ready to give helping hand to others, and he enjoys great popular in the neighborhood.
He often teaches me what to write stories and encourages me about his own experiences. He told to me he was born in a poor family. As a little boy, he has a dream to become a famous writer. He worked hardly and overcame thousands of difficulty. Finally, he entered a university in that he wrote many story books. Up till now, aging only forty, he has been very famous around the country.