单项填空
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. — Nancy, what classes are you taking this term?
— _____ I want to take two English courses, or maybe Spanish.
A. What’s up? B. It’s none of your business.
C. I’ve no idea. D. I’m not sure yet.
22. 2010 Shanghai World Expo was honor for all of the Asians.
A. The; the B. 不填; an C. The; an D. 不填; the
23. Trees are good for man. We can’t plant them _____ many.
A. so B. such C. too D. enough
