why is that?

So why is that why is that? That is why I took that is why是什么从句 关于that.is.why.,句型 that is why number13 is unlucky that is why和 this is why用法的区别 That is why,This is why,It is why的区别 that is why and that is because 区别! the reason why...is that...造句 带汉译 that is why you love me? why say that phonology is functional phonetics? That is why she failed the exaThat is why she failed the exam翻译 what i do not know is that why...是不是应该改为is it that why啊 I suppose that is why...中that作什么成分? 连成句子;is,popular,why,travelling,that,is,by,car. that is exactly the reason why..和that is the exact reason why..那个对?那么这个对吗?that is the exactly reason why .. It is why…和That is why… 的区别（说明+例子）