who、how分别能不能引导主语从句和同位语从句?

问题描述:

who、how分别能不能引导主语从句和同位语从句?

可以.先说who,主语从句:Who killed the man is still a mystery(谜团).这是一个主语从句.同位语从句:The question who will take his place is still not clear.(who作主语),是主语的同位语.再说how,主语从句:H...