????Dear professor,

????I am the chairman of the Students’ Unionof Foreign language school in Peking University. We are to hold anEnglish speech contest next week. I am writing to ask whether youcan honor us to be a judge for the competition。

????The contest will be held next Sunday,Dec, 20. 2012 in the Room 200, Teaching Building No. 3 . It willbegin at 6:30 and last for 3 hours. Participants will be fromdifferent majors in our university. Judges to be invited includeanother three professors who are very familiar to you。

????We would be greatly honored if you canshow your presence and provide us with your valuable comments.Please contact us at 1234567 if you can come。

????Yours sincerely,

????Li Ming