5.邀请信结构公式
右上角：日期
左上角：称呼
正文：
第一段：交代写信目的，邀请某人参加某项活动，说明活动的时间和地点，正式向对方发出邀请。
第二段：介绍事件的具体安排和对方接受邀请的必要性。
第三段：希望对方能够接受邀请，期待对方的尽快答复。
右下角：署名
例
directions : for this part , you are allowed 30 minutes to write an invitation letter . you should write at least 120 words , and base your composition on the outline given below in chinese :
下个月你就要大学毕业了，因此你想举办一次同学聚会，特写信邀请你的朋友李亮参加，信件需包含以下内容：
1.告知聚会的时间和地点
2.介绍聚会中的活动内容。
3.希望对方一定参加。
参考范文
an invitation letter
june 15,2008
dear li liang ,
this june 30th i am going to graduate , so i am going to hold a party on saturday evening in my house . it would be pleasant to have you here .
so interesting will this party be that you can't afford to miss it . for one thing , we can have a big meal , sing the popular songs and play games . for another , it also provides a good opportunity for you to meet many friends that you haven't seen for a long time .
what an important thing it is to get your participation ! first , you are my best friend and bring home to me many things , second , we haven't seen each other for quite a long time and i am eager to see you . the party would not be complete without you !
the party will begin at 7:30 p.m . is it possible for us to see you at 7:00 on saturday evening in my house ? i do hope you can come .
sincerely yours ,
sun li