假定你是李华，最近外教Bill 决定选拔一名助教（teaching assistant）辅助教学。请你写一封英文自荐信，内容包括：（1）写信目的；（2）自我优势；（3）希望获准。
    注意：
    （1）词数80左右；（2）可以适当增加情节，使行文连贯；（3）开头和结尾已为你写好，不计入总词数。

Dear Bill，
    I am Li Hua，
                           
Yours sincerely，
Li Hua

【考点】提纲作文．

【答案】Dear Bill，
    I am Li Hua，one of your students in Class 7.I've learned a teaching assistant for you is wanted.I'm writing to apply for the job.
    First of all，having been exposed to English since a young age，I can communicate freely with others in English.What's more，years of experience of being monitor makes me a brilliant organizer，which will help a lot to keep the class in order.The most important factor is that I am warmhearted，so I'm confident that my patience and care will undoubtedly win other trust.
    All in all，I think my enthusiasm and full sense of responsibility will make me a qualified teaching assistant.I'd appreciate it if you could take my application into consideration.
Best wishes!
Yours sincerely，
Li Hua