where are mike and kitty from?这句话中为什么用are 这个问题涉及到语法的哪个部分?

Where (do) Mike and John come from.为什么要用do,不用does和are? Billy and Kitty are from New York.(划线部分提问) 请问有谁知道where are you from与where is your home为什么这两句话中动词be用的都不一 Where are you from?为什么用“are”? where （）Mike and John from?为什么用do billy and kitty are from new york.(对划线部分提问） Where()Lucy and Mike come from?要填is,还是are Where are you from为什么用are不用is where are you from?为什么用are不用do? where are you from 这句话中那个单词是名词? age and where are you from, David and Mike are going to plant trees this afternoon.这句话的时