Write at least 60 words according to the given situation (根据以下情境写一篇不少于60个词的短文，标点符号不占格)

你的学校正在为以下活动课招募教学小助手(teaching assistant)：

球类(Ball Games) 演讲(Speech) 器乐(Instrumental Music)

戏剧(Drama) 手工(Handicrafts) 摄影(Photography)

假设你是李华，请给教导处张老师写封信，结合你的兴趣和特长，说明你想担任哪一门活动课的小助手及理由。

注意：

1.信中不得出现姓名、校名等个人信息，否则不予评分。

2.照抄阅读语篇不得分。

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