更正在括号处标明,总共十处错误,保证答案准确率!
I am a high school student.A few days (before改成ago),one of my good (friend改成friends) told me that he was going to (stop改成drop) school.He said that he wanted to start (her改成his) own business.I tried my best to get him (加入to) change his mind,but I failed.I know it is difficult (of改成for) him to change his mind.He is not doing (good改成well) in his studies,yet I want to insist that (I改成he) should give it a try.The process is more important than the (results改成result).Now there (were改成are) only 90 days left before the test.