改反意疑问句：The computer cost you 400 yuan,( ) ( )? 后面该填什么?
问题描述：
改反意疑问句：The computer cost you 400 yuan,( ) ( )? 后面该填什么?
答
Is not
答
didn't it
首先cost 这里原句用的是过去时态，所以后面用did,然后反义疑问句与原句相反，前面用肯定，后面就用否定
答
didn't it?
cost为过去式,前为肯定,所以反意疑问句用否定
答
does it?