Dear                 ,

I’m writing to invite you to              .(发出邀请)

There are some points you may want to know about                     . (活动主题)During ________, we will have lots of activities you are interested in                .(活动的具体内容)First,                 .(活动介绍一)Second,                .(活动介绍二)

I believe that you will be very interested in . For one thing/First, ________. For another/Second, ________(受邀人参加的理由)

Since the ________ will begin ________, is it possible ________? I really hope you can come/I’m looking forward to ________.(提出希望)

Yours

________