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
这是一个陈述句，如果是疑问句的话就对了，也可以回答No，it is not.
如果是两个人的对话，一个人说it s north of the post office.另一个人附和，也可以
答
is it?
答
It's north of the post office,isn't it?