Dear Uncle Yang, I would like to invite you to the international food festival in our school on Sunday,June 15th.Our students will sell many delicious foods. Hope to see you then!sincerely, Mary 这是邀请函的范文.首先在第一行不空格写对方的名字,然后在第而行空大约有一个单词左右的距离写邀请正文,最后写期望对方可以到来.结尾写自己的姓名.