no matter which和whichever都引导让步状语从句\x0d\x0awhichever可引导名词性从句,而no matter which 则不能\x0d\x0a如。No matter which girl wins, we should be happy让步状语从句\x0d\x0a =Whichever girl wins , we should be happy\x0d\x0a Whichever girl will win (主语从句)is stillunknown (不能用no matter which 改写)
no matter which 只能引导让步状语从句 ,而whichever既可引导让步状语从句又可引导其他名次性从句(如定语从句) NO matter which one you choose ,I will suppor you.(可以用whichever替换) I will support your choice whichever you make.(引导定语从句 ,不能用no matter which 替换)