请问：This is what he told me?这句话能写成This is all he told me?为什么

请问：This is what he told me?这句话能写成This is all he told me?为什么 He told me this is a factory__digital cameras are made Tom told me he didn't like this move at all Tom told me he _ This is the reason that he told me.为什么这里的that不可省? he told me what i need is courage tell me he told me that he is love me i heard that he told m He told me he could not go to sleep.That is what he _______. This is (he).This is (me). He told me that Mike thinks that it is imposible.这句话中哪一个（tha I believe what he told me because he is a man who never tell This is all ______ she told me.可以填什么呢? such was what he told me.为什么用was?