3.邀请信 Letter of invitation 内容:
1.提出邀请;
2.活动的内容、时间、地点、安排以及注意事项;
3.表达希望被邀请人能如期参加的愿望常用句型:
1. We are honored to/are very glad to invite.to….我们荣幸地/高兴地。
2. The party /English evening/reception/lecture will be held in 地点 at具体钟点 on 日期本次聚会/英语晚会/接待会/讲座将在(地点)…(时间)(日期)举行。 
3. We are looking forward to your coming/ arrival.期待您的到来。
4. We are looking forward to hearing fro m you soon.期待收到你的回复。
5. We hope you will accept our invitation.我们希望您能接受我们的邀请。