What made him sad was （that） his piano teacher in Beijing didn't lik him.请问括号中为什么用that而不用why?

分类: 作业答案 • 2022-03-22 08:57:36

问题描述：

答

这是that 引导的表语从句,that在表语从句中作引导词,不具有实际意义.
why 引导表语从句表示原因,这里是陈述事实,不是原因.