we think it's impolite to go into room without knccking at the door,don't we?改错
网友回答
we think it's impolite to go into room without knocking at the door,do we?
不是don't we.
当主语是I时,谓语为think时,反意疑问句中的谓语肯否定不看主句,
而看从句来写.
it's impolite to...是否定,因此反义疑问句是肯定do we
======以下答案可供参考======
供参考答案1:
我们认为没有敲门就进入房间是不礼貌的，不是吗？