第二部分 英语知识运用（共两节，满分45分）
第一节 单项填空（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. —How about Christmas evening party?
—I should say it was success.
A .a; a B. the; a C. a; 不填 D. the; 不填
22. I won’t call you, ______ something unexpected happens.
A. unless B. whether C. because D. if
23. _________ her health is much improved, but she is still not completely recovered.
A. On a way B. In the way C. By the way D. In a way
