题目内容：

how do you know she was disappointed at the news 涵盖了哪些语法.
was disappointed 修饰 she 是做什么用法?

优质解答

How do you know she was disappointed at the news 你怎么知道她对这条新闻感到失望?包含从句,过去式,及系表结构被动句.当然还有疑问句表达法咯.How do you know（she was disappointed at the news 括号外的部分及...