精选优质文档-倾情为你奉上34. 知识运用(共两部分,25小题,共30分)A) 单项填空 从A、B、C三个选项中选择一个最佳答案填空。(15小题,每小题1分;共15分)( )21. I want to be _ pilot.A. a B. an C. the( )22. You will be successful _ hard work.A. in B. through C. over ( )23. The chocolate is bad for my teeth, so I _ eat it.A. always B. often C. never( )24. There is _ in the box. It is empty.A. something B. anything C. nothing ( )25. He didnt go to bed _ nine o