题目内容：

假如你是李华，你校外教Mr. Brown春节期间看到邻居房门上的福字是倒着贴的，感到很好奇，写信向你询问此事。请你给他回一封信，介绍福字倒贴的原因和这一传统的寓意，同时邀请他高考后来你家过端午节。

参考词汇：端午节the Dragon Boat Festival；福字the character Fu

注意：1.词数：100左右；

2.可以适当增加细节，以使行文连贯；

3.开头和结尾已经为你写好，不计入总词数。

Dear Mr. Brown,

I’m really glad to receive your letter. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Looking forward to your reply.

Yours,

Li Hua