The man is thinking about what ——（discuss） with them.请问横线上写什

The man is thinking about what ——（discuss） with them.请问横线上写什 __of them knew what the other was thinking about. _____of them knew what the other was thinking about what —is—the number of them?为什么横线填is 不是 are? 回答 What is the matter with them?(骨折） what is the matter with them 对么 matter,is,them,what,with,the(? What is you thinking about?改病句 I-----what the old man said is right A am thinking B is thou The boy is thinking about what he is going to next week 求一下文章意思　Everyone of us is thinking about the future.What is —What are you thinking about? —Things are always