1.Put the books on the _____(write) desk.为什么填"writing"?

1.Put the books on the _____(write) desk.为什么填"writing"?
2.His father has lunch at home ,so does _____(I)为什么填"mine"?
3.Throw _____(she) frisby.为什么填"her"?
4.Look!the boy with his parents _____(fly) a kite.为什么填"is flying"?
5.It's _____(Tom) turn _____(clean) the blackboard.为什么填"Tom's;to clean"?
6.Lucy is _____(interest) in the _____(interest) story.为什么填"interested;interesting"?
7._____(play) football is my favourite sport.为什么填"Playing"?
8.Every country _____(have) rules.为什么填"has"?
9.Every should _____(keep) our classroom clean.为什么填"keep"
纯手打,
不要嫌题太简单就打些乱七八糟的字母或骂我得了什么病.