Ⅱ. 单项填空（共15小题; 每小题1分, 满分15分）
21. You made the same mistake for ________second time, dropping _________“n” in the word “government”.
A. a; the B. a; an C. the; an D. a; a
【解析】选B。“a+ 序数词” 表示“又一……, 再一……”; “n”的发音是以元音音素开头, 故应用an 修饰。
22. Since you are in a hurry, why not_______ for a taxi_______ stay here to wait for the bus?
A. calling; or rather B. call; more than
C. call; rather than D. calling; would rather
【解析】选C 。 why not+ do, rather than “而不是”。or rather “或者, 更确切地说”; more than“多于, 不仅仅”; would rather“宁愿”。
