假定你是学生会主席李华。你校将于9月21日在学校操场提前举行庆中秋的联欢活动。请你代表学校给来自美国的外教Bill写一封邀请信，告知活动内容并邀请他表演一个节目。
注意：
1.词数100左右；
2.可以适当增加细节，以使行文连贯；
3.开头语已为你写好，不计入总词数。
Dear Bill，
    I am Li Hua，chairman of the Students' Union.___________
Yours sincerely，
Li Hua

【考点】开放作文．

【答案】Dear Bill，
   I am Li Hua，chairman of the Students' Union.Knowing that you show great interest in Chinese culture，I'm writing to invite you to take part in the upcoming celebration of Mid-Autumn Festival on September 21th on our school's playground.
   Every year，Chinese people celebrate the traditional Mid-Autumn Festival on the 15th day of the eighth month in the Chinese lunar calendar，which is listed as an official holiday in China.We will enjoy the moon cakes and admire the moon together on the playground，symbolizing reunion and happiness.What's more，a variety of activities will be included at the celebration，such as performances，games，and gift-exchanging，which will surely enable you to know better about our culture.To get fully involved，we hope you can put on performances with us.I think it will be a good combination of both eastern and western cultures.
    Hope for your participation.
Yours Sincerely，
Li Hua