(A) 单项选择，从每小题A、B、C三个选项中，选出能填入空白处的最佳答案。（15分）
31.---What will you be like in _________ years?
--- I can’t imagine that.
A. ten another B. other ten C. another ten
32. We must do _________ to stop many kinds of pollution.
A. something useful B. useful something C. nothing useful
33. ---Do you know which country has _________ population in the world?
---China, of course.
A. the largest B. larger C. the most
