we think it's impolite to go into room without knccking at the door,don't we?
问题描述:
we think it's impolite to go into room without knccking at the door,don't we?
改错
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...