that is why和 this is why用法的区别

that is why和 this is why用法的区别 That is why,This is why,It is why的区别 So why is that why is that? That is the reason why 是指...That is the reason why 和 This is the reason why 有咩分别?如果原因有几项,是否改为 These are the reasons why... Maybe this is the reason that why love is beautiful.应该去掉that还是去掉why,为什么, Why is this crazy?还是 why this is crazy? You say this is why? why?why?why?why?this is a question. I don't know,what's the situation.What is this?Why is that Is there anyone can tell me that this sentence:Why i matter?is wright or wrong That is why I took that is why是什么从句 关于that.is.why.,句型 Is that this watch? It is why…和That is why… 的区别（说明+例子） the reason that 和 the reason why 的区别?例句：I think this is the most important reason that table tennis is famous in China.这里的that 的 可以用why 么 二者的区别什么? This is the reason ——I came hereA.that B.why 为什么不用that