I feel very happy that I have done something for my mother.that引导的是什么从句?
问题描述：
I feel very happy that I have done something for my mother.that引导的是什么从句?
答
表语从句
我很高兴能为母亲出点力。
答
你可以把that当做原因状语从句.相当于
I feel very happy for what I have done for my mother.