假如你是某国际中学高一一斑的学生李华.你们班将于这周六下午去公园举办一次游园会. 请你用英语给口语老师Smith先生写一封信，邀请他参加。

内容提示：1。时间：下午2点到5点；

          2。活动安排：散步、赏花、唱歌、游戏；

          3。吃喝东西已准备，不必自带。

注意：    1。可适当增加细节，以使行文连贯；

          2。开头结尾已给出，不计入词数；

          3。词数：80---100。

参考词汇: 游园会 garden party

Dear Mr. Smith

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                                             Yours sincerely

                                              Li Hua