are的结构和用法where are...?where is...?的答语,主要是are的用法，和结构

are的结构和用法where are...?where is...?的答语,主要是are的用法，和结构 Where they are going 和 Where are they going 的区别Where they are going 是什么结构? where's和where are的不同?请举例说明用法的不同 I from 与 I come from 的用法和区别 Where are you from 与Where are you come from 的用法和区别 where we are 和 where are we的区别? where are you和 where you are的差别? are和is的用法 were和are的用法? where they are 和where are they does ,are的用法Where are your uncle live?请详细说明. where are where are you和where you staying where you are means you will fail bahind others中where的用法 there is 和there are 的用法 where are和there are能不能缩写 where are they和where are you from?的中文意思各是什么 where are you going和where are you going to go的区别 where are you go?和where are you bound?的区别 where are they running ?和where are they walking?中文的表达是?