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。
21. --I have passed the college entrance examination!
-- _____
A. Good luck!       B. Congratulations!   C. With pleasure.         D. Best wishes.
22. “Long time no see” is _____ sort of informal, but it is part of _____ language that Americans use daily.
A. the; a                 B. a; the                    C. 不填;the               D. a; a 
23. Your new suit will be ready _____ three days.
A. in                       B. on                         C. for                           D. over
24. This is the best hospital _____ I know in this area.
A. what                  B. which                   C. where                      D. that