16---How do you find the class meeting organized by our monitor?
---______ .
A. Our monitor was very busy B. Oh, it is very wonderful
C. I spoke at the meeting D. Jack told me the news
17. My English teacher has______ rich experience in teaching and we all think she is ______ experienced teacher.
A. 不填; an B. a; an C.不填; the D. a;the