that is why是什么从句

that is why是什么从句 The reason why he didn't go to school is that he was ill.是什么从句? that is why we all support his idea.这是什么从句? That is no reason --------- why you should leave.定语从句, The reason ___ he is late 什么从句The reason ___ he is late is that there is a break-down on the railwayA.whyB.becauseC.that选A,为什么,这是一什么从句why引导的是什么从句 why is it that 是什么从句?到底是同位语从句还是强调句呢？似乎两者都讲得通，但是怎么区别呢？ why引导的主语从句why he didn't come is that he was ill. 对吗? 有没有Why +从句+is because +从句的啊 我知道有the reason why ..is that...有没有Why +从句+is because +从句的啊 比如说Why he was late yesterday is because the traffic was heavy 之类的~ This is one of the reasons why .这是什么从句 Perseverance is a kind of guality-and that is___it takes to do any thing wellA,What B,that C,which D,why后面是什么从句,为什么用 that why两个关联词可以连用吗比如：It is+the reason that+why引导的从句, It is sad that... that引导的是什么从句? they are not sure why this is happening这个从句是什么从句 The main reason why pandas are endangered is that the area where pandas can live has become smaller这是什么从句哦?不懂. So why is that why is that? 后面是个表语从句,前面是什么从句?帮我分析一下这个句子的结构.The main reason why they support the idea is that name is important. “That is what he wants.” 是什么从句?what是什么代词?