_chapter11_

1 _giới thiệu- chapter 1_ 

2 _chapter2_ 

3 _chapter3_ 

4 _chapter4-pain_ 

5 _chapter5-painful_ 

6 _chapter6-hurt_ 

7 _chapter7_ 

8 _chapter8-get acquainted?_ 

9 _chapter9-new classmate?_ 

10 _chapter10-the true?_ 

11 _chapter11_ 

12 _chapter12-new surprise_ 

13 _chapter13-bad luck_ 

14 _chapter14_ 