单项选择题
A．Boys and girls study separately everywhere. B．Women do not run or swim in races with men. C．Famous Prime Ministers are women. D．Men can expect to live longer than women in Europ
A．shop B．sidewalk C．corner D．store
A．the basic necessities and luxury B．many kinds of need such as food, clothing and houses C．four groups the basic necessities, luxury, reliable income and future expense D．the basic necessities and reliable income