题目内容：

短文改错

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。

There was a time when Zhang Yu and I was good friends, but now we are like stranger. On his first day in our class two years ago, he had no one to talk. I was the first one to say hello to her , so we became friends. Zhang Yu did well in math or he was always ready to help me with it. One day last month, I told him about what I would be away from school for two days to see a friend. But he told my father about it and made me angrily. Now , I know I was wrong. I decide to say sorry for him, because of I don't want to lose so a good friend.