写信邀请朋友参加你的生日聚会。

　　信的内容包括：

　　(1)告知对方聚会的具体时间、地点;

　　(2)到达聚会地点的行车路线及便利的交通工具;

　　(3)要求对方就是否能参加聚会做回复。

　　【正确答案】[参考范文] Dear Peter， My girlfriend, Mary, and I would like it very much if you would be our guest on my 25th birthday party on December 15 at 10 a.m. The party is to be held in Dongfang Hotel and you can take a Bus No.81 from your company to Zhongshan Market Stop.Then you can change to a Bus No.18 which will take you straight to the hotel. We are really looking forward to seeing you again.Please write soon and tell us if you can come. Yours, Mark

　　【解析】写短文时要做到正确表达思想，意义连贯，无重大语法错误。本篇为一封邀请信，邀请朋友参加你的生日聚会。信的内容应包括题目要求的几点。就本篇而言，应把题目所提供的信息变成自己的话表达出来，个别地方稍加扩展，使其具体化就可以了。在写作时要认真、细心，正确运用谓语动词，同时注意书写清楚、规范和标点符号等。