第二部分：英语知识运用（共两节，满分35分）
第一节：单项选择（共15小题；每小题1分，满分15分）
请认真阅读下面各题，从题中所给的A、 B、 C 、D 、四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
21.Hong Kong has a lot of advantages, including free flow of _____ information, a fair competitive environment and _____ efficient local government.
A. the; an B. 不填; the C. 不填; an D. the; the
22. The old woman buried underground for ever but for the timely rescue.
A. had been B. would have been C. will be D. would be
