为什么要用定语从句啊?比如I little know that she is his sister.为什么要用that啊 ,神马意思?

问题描述:

为什么要用定语从句啊?比如I little know that she is his sister.为什么要用that啊 ,神马意思?

句子错了…I little know是啥重点不是这个!!重点是that要根据前后的