第二部分 英语知识运用（共两节, 满分35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. The annual Christmas party last night was_______ success. We sang and danced until it came to _______ end at 12∶30.
A. a; an B. a; the C. the; an D. /; an
22. Your suggestion on how to improve English writing ability is too general. Could you make it more _______?
A. particular B. specific C. special D. relaxing
23. —Is your father a teacher of English in the No.1 Middle School?
—No! But he _________ English there for ten years.
A. has taught B. has been teaching C. taught D. had taught
