15. a good knowledge of

14. Based on

13.don’t be anxious about / for

12. am ashamed of

11. doesn’t agree with

20. would never forgive me

(12)参考答案：

19. did I find　　　　　　　　　　　　　　　　　　

18. Why they insisted on

17. A story goes that　　　　　　　　　　　　　　　　　

16.It sounds