Directions:  Write an English composition in 120 - 150 words according to the instructions given below in Chinese.

假如你是张华，最近你们班同学针对发生在青少年身上的交通事故的原因作了一次调查。请你根据下表内容，写一封信给21st Century的编辑，说明你们调查的结果，并提出你的建议。

注意：信的格式和首句已给出，不记入总词数

Dear Editor,

    I’m writing to tell you about the survey our classmates did about the causes of traffic accidents involving teenagers. _______________________________________________

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                                               Yours faithfully

                                                 Zhang Hua