he has a new bike doesnt he?

问题描述:

he has a new bike doesnt he?
isnt对吗?
但是选项里没 doesnt have
只有 A、wasnt he B、isnt he C、does he D、doesnt he
选哪个?

he has a new bike,doesn't he?
isn't 是不对的,
因为has的原型是does have,作否定的话就是doesn't have
就选D