nobody：who
nothing：what
none：情况比较多,how many,how much,what's the quantity of 等等,有时可以用which
never：how often,有时可以用when
nobody nothing none never 用什么提问?
nobody：who
nothing：what
none：情况比较多,how many,how much,what's the quantity of 等等,有时可以用which
never：how often,有时可以用when