第二部分 英语知识运用（共两节，满分45分）
第一节 单项填空（共15小题；每小题1分，满分15分）
21. Once a reporter receives his assignment from the chief-editor, he has to ______ on his work and tries his best to work on it until the chief-editor ______ it.
A. fix his attention; approves B. focus; proves of
C. concentrate; approves of D. get down; approves
22. _______ avoid possible embarrassment, Tom ______ignores her former girlfriend whenever he sees her.
A. In order to; deliberately B. As to; intentionally
C. So as to; purposely D. So that to; on purpose
23. The idea of your article is quite original but the language needs _______ a little.
A. being polished B. to be rewritten C. rewriting D. to be polished
