These are your books,aren’t they?怎么回答

问题描述:

These are your books,aren’t they?怎么回答
肯定和否定

Yes,they are.
No,they aren't.为什么用they are,they aren't回答问句末尾不是 aren't they 吗,所以就用对应的词来回答。额。。。。。事实就是这样的呀,有什么不能理解吗?