第1个回答 2012-08-17
You have a pen,don't you/haven't you?
You don't have a pen,do you/have you?
He has a pen,doesn't he/hasn't he?
He hasn't a pen,doeshe/has he?
you have finished the work,haven't you?
you haven't finished the work,have you?
He hasn't seen the star,has he?
He has sen the star,hasn't he?