how old are you 为什么要用are而不用is

how old are you “How old are you? how old are you How old are you? :How old are you? How old are you? how old are you 为什么要用are而不用is how old are you?英译汉 翻译：How old are you? how old are you 翻译 翻译：How old are you How old are you?Im( ) May i ask how old are you与May i ask how old you are哪个句型对,为什么 how old are you 为什么不是how old is you?难道问别人都是用are吗? .How old( )you?Are you ______fifteen______ ________? How are you how old are you?中文意思 How are you,How old are you是什么意思 how are you? how old are you? 翻译成中文.