【正确答案】[范文] 介绍信 June 10, 2015
Dear Professor Liu,
Allow me to introduce to you a young man named Xiao Ming, the bearer of this letter, whose father is my good friend. Xiao Ming is hard-working and he expects to go to the United States to pursue advanced studies. He is now preparing for the TOEFL. He hopes to obtain your advice and guidance in English listening and writing.
I would be very glade if you will give him a favorable reception.
Yours sincerely,
Wang Dan