Question

书面表达。

     假设你是张林，你的老板Mr. Whitehead要求你于周六上午去参加一个产品介绍会。
你因故不能参加。请你根据以下要点，写一封短信向Mr. Whitehead请假。内容要点：
     *表示歉意。
     *理由：要去火车站接一个朋友。
     *询问：是否可以准备好材料让李东代为参加。
注意：1. 词数：100-120 
           2. 可根据内容要点适当增加细节，以使行文连贯
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Answer 1

One possible version:
Dear Mr. Whitehead,
     I'm writing to tell you that maybe it will be impossible for me to attend the meeting on Saturday you asked
me to. I'm terribly sorry. I know it is important because we are supposed to introduce our products then, but
one of my friends will come at that time and as it will be the first time for him to come to the city, I have to go
to the railway station to meet him. Is it possible that I get all the materials needed ready and ask Li Dong to do
the job instead of me? I would appreciate it if you would agree.
     Looking forward to your reply.
     With best wishes.
                                                                                                                                           Yours,
                                                                                                                                          Zhang Lin