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. 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. Naturally I will come to you for advice whenever I feel I need
A．them B．one C．some D．few
