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和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. In most western countries, on April Fool’s Day, people often play trick on each other; children especially have great fun.
A. a; a B. the; the C. a; / D. /; a
22. The weather was fine all day, but late in the afternoon the strong wind blew with dark clouds.
A. in turn B. all at once C. on time D. right away
23. --- Did you enjoy yourself at the party?
--- Yes, I’ve never been to one before.
A. a more exciting B. the most excited
C. a more excited D. the most exciting
24. The Tower of London is _____ the Church tower.
