题目：
第一节短文改错(共10小题；每小题l分，满分l0分)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l0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l0处，多者(从第11处起)不计分．
I am a high school student. A few days before, one of my very good friend told me that he was going to stop the school. He said that he wanted to start his own business. I tried my best to get him change his mind, but failed. I know it is difficult of him to change his mind. He is not doing so good in his studies, but I want to insist that she should give it a try. Now there are only 90 days leaving before the test. I am not sure that his decision is right or wrong. I needed your advices.
Yours，
Li Hua
答案：
1 before ----ago 2 friend -----friends 3 him 后加to 4 of ------for 5 good -------well
6 she-----he 7 leaving-----left 8 that ---- whether 9 needed ------need 10 advices-----advice
