is that the man ( ) helped us a lot after the 地震,填关系代词或关系副词

问题描述:

is that the man ( ) helped us a lot after the 地震,填关系代词或关系副词

Who为什么不用that 啊前面是人,用who,that一般不指代人可是我们老师说that 和who都可以指人是的,可以,指代人一般用who的,本题有who当然用who