it s north of the post office.后背填什么?接着是yes,it is.
问题描述：
it s north of the post office.后背填什么?接着是yes,it is.
答
It's north of the post office,isn't it?
it s north of the post office.后背填什么?接着是yes,it is.
It's north of the post office,isn't it?