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，每小题一分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
例：It is generally considered unwise to give a child he or she wants．
A．however B．whatever C．whichever D．whenever
答案是B。
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
