这个是名词性从句 的用法 问题
下面 是 用名词性从句 合并句子
What troubles me most is that I don't know how to tell her the bad news.主从和表从
或that I don't know how to tell her the bad news troubles me most主从
What I will do after graduation always concerns my father.主从
或My father is always concerned about What I will do after graduation.宾从
What really surprises each of us is that he passed the exam主从和表从
或That he passed the exam really surprises each of us.主从