常用

1. I would love to come but I can’t because…。。

2. I am terribly sorry that I can’t come …。。 for I am going……

3. I am afraid I will not be able to…。。 because

4. Thank you for your invitation…… but unfortunately……

Invitation letter

Dear _________

I’m very glad to tell you that_______活动 will be held________(where and when).I know that___________邀请原因。 I think that __________邀请原因。 If you _______你来的话， you will__________ 有什么。 If there is anything I can do for you， I would be more than glad to help

I’m looking forward to hearing from you soon.

Your