题目内容：

假定英语课上英语老师要求同桌之间互相修改作文，请你修改你同桌的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

删除：把多余的词用斜线（＼）划掉。

增加：在缺词处加一个漏字符号（A),并在该词下面写出该加的词。

修改：在错的词下划一横线，在该词下面写出修改后的词。

注意：1、每处错误及修改均仅限一词。

2、只允许修改10处，多者（从11处起）不计分。

Dear Miss Brown,

I'm writing to express my gratitude for your kind help in the School English Drama Festival,as has turned out to be amazing success.

It's nice of you to have been offered us a class of presentation skills and basic techniques.Under your professional help,the participants gave so an impressive performance.Some of us students overcame the fear of acting in front of audience and gaining tremendous confidence.Others developed communication skills and knew what to cooperate in a team.Most important,this activity has fueled their passion for English Drama.

Many thanks for your time and supports.