【正确答案】Dear Mr. Wilson,
   I would like to recommend my student, Li Yan, to you. Miss Li is studying in our university and is graduating soon. She has planned to go to your university for an M. A. degree. Miss Li is diligent and always ready to help others. From what I've known about her, I am sure that she will be an excellent student in your university if she can be accepted. I will appreciate it very much if you could give her some help.
   

【答案解析】此题要求写一封推荐信(a letter of recommendation)，内容大多涉及以下几个部分：
   1．说明写信的目的是要推荐某个人；
   2．简单介绍被推荐人，即写信人推荐此人的理由；
   3．被推荐人将来的打算，比如到收信人处学习或工作等，希望收信人能给予帮助；
   4．表达感谢。
   由于此题内容相对简单，故信件用一段文字即可简单明了地表达清楚。如果内容稍为复杂，建议酌情按以上部分分段表述，则更为清晰。