第二节 单项填空（共10小题；每小题1分，满分10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。
31. - Would you prefer to watch TV or see a movie?
- ______. It’s up to you to decide.
A. I’d rather stay home B. Either is OK with me
C. That’s all right D. That’s not my favourite
32. Recently people have made great progress in using ______ power of nature to produce ______ electricity.
A. a; the B. / ; / C. the; / D. a; an
