【正确答案】 A Letter of Invitation
Dec.17,2016
Dear Prof. Smith,
On behalf of the Students' Union of our university,I,the undersigned,am writing to invite you to be a speaker for the upcoming academic forum to be held on Jan.25th,2017.
Your participation will be the guarantee of our successful academic forum since you are one of the most acclaimed speakers in CCTV English academic forum over the years. We know that you are always on a tight schedule, but it is our pleasure that you can spare some time to be one of our speakers. And the topic of the academic forum is Volunteers and Olympics.
Your consideration of our invitation would be much appreciated. I am looking forward to your reply.
Sincerely yours,
Li Ming