Yours，

　　Li Hua

　　答案：

　　Dear Tom，

　　I'm Li Hua, a student of RongguangMiddle School. I learned quite by chance you needed a book to improve your Chinese. I happen to have ， which I think might help you.

　　The book, NewPracticalChinese, is intended for beginners at your level. Not only it include the basic conversations in our

　　daily life, but it is also window through which you can get to know Chinese culture and customs. Edited by three language experts, it is used by many foreign .

　　If it is convenient for you, let's meet at the entrance to JiangnanPark at 3 pm this Sunday. If ， try to find time that is

　　suitable for both of us.

　　Yours，

　　Li Hua

　　难项分析：

　　第一处：what→that'考查名词性从句的连接词。宾语从句成分和意义完整，故用that引导。

　　第二处：it→one'考查代词。此处指代前文提到的a book，表示泛指概念，属同类指代，因此用one；it指同一个物品。

　　第四处：only后加does'考查倒装句。not only放在句首时，其后分句使用部分倒装。文章基本时态为一般现在时，故需要not only后添加助动词does构成部分倒装。