短文改错。

    假如英语课上老师要求同学们交换修改作文，请你修改你同桌写的以下作文。

文中共有10处语言错误，要求你在错误的地方增加、删除或修改某个单词。

增加：在缺词处加一个漏字符号(/\)，并在其下面写上该加的词。

删除：把多余的词用斜线(＼)划掉。

修改：在错的词下划一横线，并在该词下面写上修改后的词。

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。

    Helen is one of my best friend. She had taught us English when I attended a training

class two years before. Helen always made good preparations for the lessons, but she

tried her best to make his class lively. I used to being poor in English, especially in

writing English. But now I'm able to write E nglish letters and reports correct. I still

remember how she helped me for my English patiently. Teacher's Day's coming. I'm

going to send to her a card and give her my best wishes.

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