I can't deside which road I shoud take.which和road是什么关系?

I can't deside which road I shoud take.which和road是什么关系? -----Excuse me,but can you tell me which road I should take I don`t know which bus I shoud take.(改为同义句) which bus can I take? Which half should I take?You can take ____.I don't want them 改同义句,I can't decide which one I should take which road to take为什么用主动呢? but i must tell you that it is like road which do not have i which turning should i take. Which one can I take?Oh,you can take ___of them,I'll keep no i can't make up my mind (to buy which one 和which to buy ）哪个对 --Which one I take?--You can take ____of them; I'll keep non