第二部分 语言知识运用（共两节，共35分）
第一节 单项填空（共15小题；每小题1分，满分15分）
21. We have every reason to believe that ______ 2010 World Expo in Shanghai will be ____ success.
A. /; a B. the; / C. the; a D. a; a
22. To tell you the truth, I think it is Tim ___________ you ___________ to blame for that.
A. rather than; who is B. more than; that are C. other than; that are D. less than; which is
