I don't know whether I should take his advice or not. whether 能用if替换吗?why?

I don't know whether I should take his advice or not. whether 能用if替换吗?why?
I don't know whether I should take his advice or not. whether 能用if替换吗?why?

I don't know whether I should take his advice or not. whether 能用if替换吗?why?
不可以.
一个是因为只有whether才能和or not连用.
还有一个是因为if表是否时只能引导状语从句.