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 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?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? 答案说选D,为什么不选B----Hello,Jack!Haven’t seen you for a long time!---John!________A.How old are you?B.How are you?C.How’s that?D.How time flies! .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.