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20小题；每小题1分，满分20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。
1．--- What can I do for?
--- I’d like to buy a gift for my sister’s birthday, one at a proper price but of _____ great use and it’d better be ______ surprise.
A. /; a B. the; a C. a; / D. /; the
2．Great changes ______ in China in the past 20 years.
A. took place B. have taken place
C. were taken place D. have been taken place
