用 the reason why...is that 造两个句子!

You are the reason why I smile The reason why I come here is very clear.reason是come here的宾语吗?为什么用why? the reason什么时候用why 和because the reason that和the reason why the reason why与 the reason I ask you why ,Not tell you the reason是什么意思 You're the reason that why I smile . I dont wanna be the reason why翻译 英语翻译Sunset Sunset The reason why I criedSunday Sunday The meaning why I laughSunshine 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? the reason why 的用法 I dont know why he was late.这个句子里为什么用why不用that?我打错了　是Idont know the reason why he was late The reason why I was late for school is because I missed the bus这个句子中why和because用的对吗 reason与why和that的搭配.the reason that..the reason why.这两个句子什么时候用why,什么时候用 that呀?可不可以举几个例子呀~ 用 the reason why...is that 造两个句子! Reason后的定语从句that 与why 如何区别呢?1)I don’t know the reason why he said these words.2) I don’t know the reason that he said these words.这两句that 与why 都引导定语从句,如何区别何种情况用why ,that呢? I don't know __.A.the reason why can be B.why the reason may beC.what the reason can be D.what the reason may be 为什么不选 D I don't know ( )A.the reason why can beB.why the reason may beC.what the reason can be D.what the reason may be请说明理由