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）
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。
21. --- Did your sister pass the exam?
--- She failed and is in low spirits.
--- I’m sorry for her.
--- _____________.
A. Thank you B. You’re welcome C. I would think so D. Never mind
22. IOCC Rogge has expressed that the Olympics is _____ wonderful event and he isn’t worried about ______air quality in China.
A．the; a B．a;不填 C．the; an D．a; the
23. In order to make workers highly , the companies have to train them regularly.
A. reasonable B. attractive C. productive D. merciful
