为什么是rising living costs不是raising living costs如题,越详细越好.

为什么是rising living costs不是raising living costs如题,越详细越好. CO为什么是强场配体 watch the raising of chinese national fiag为什么是RAISING 不是RISING rising CO为什么是三大气体污染物 the cost of living的live为什么是现在分词 Beijing Rising Technology Co.,Ltd.请大虾赐教 英语翻译shenzhen rising sun power technology co,ltd的中文 网卡里出现的 Beijing Rising Information Technology Co .,Ltd 请问为什么是the rising sun而不是raising sun?从语法角度分析.正因为raise是及物动词啊：sun It is 5：45 am and the sun is just rising over gombe National park in East Africa 为什么是rising为什么rise要用ing形式,这句又不是现在进行时 Fe(CO)5的结构,铁为什么是零价 什么是CO警报器 什么是CO警报器 请问什么是co-leader Everyone in the living room is quiet,quiet为什么是原型 The greatest glory in living lies not in never falling,but in rising every time we fall.为什么不是：The greatest glory in living don't lies in never falling,but in rising every time we fall. 改错The cost of rising living is considered by almost everyone for a main reason for struggling1The cost of rising living is considered 2by almost everyone 3for a main reason 4for struggling in the society