市场三要素?
参考答案:
人口、购买力、购买欲望
—Where does John live?
—He lives on _____ floor but he doesn't use a lift to go up and down.[ ]
A. nine
B. the ninth
C. ninth
D. a ninth
请问Mid(“八千里路云和月”,3,2)的返回值是什么?()
A、“千里”
B、“里路”
C、“里”
D、“路云”