Do you have one of___?

是Do you has one?还是Do you have one? Do you have one的中文解释? Do you have【】 pen?-yes,I have one. I have a cat.Do you have one? Do you have ___ pen?Yes,I have one. do you have a pen pal?if not.do you want to have one?now let 有Do you have one 那有do you have it么? That's ____ expensive.Do you have a ____ one? A:Lily has a tennis ball.Do you have one? This shirt is long,do you have a l____ one? Do you have one?的意思,并用"Yes'来回答 I want some water,do you have one?