The reason that he told me is that he was caught in the traffic jam.两个that都可以省略吗快

The reason ＿he didn't come was ＿ he was ill .A、why ,that B、 The reason why he didn't go to school is that he was ill.是什么从句? This is the reason—— he didnt come to the meeting 为什么不用that? the reason ( )he refused the invitation was that de didn't like such parties.Awhy Bthat The reason that / why he forget the that we had appointed doesn't sound very believable.that / why the reason he died so quickly is that he didn'tThe reason he died so quickly is that he didn't listen to doctor's advice.请问reason后面如果要有连接词的话,是that 还是why,为什么? He didn't finish his homework.The reason is that he didn't feel well yesterday.改成定语从句. the reason why he didn't go to school lastweek was that he was ill的意思 The reason _____he was against our plan is that he didn't trust us.用that 还是用why 为什么 That is the reason ___ he can't say.A.thatB.whyreason加that还是 why怎么分? The reason ( ) he didn’t come was ( ) he was terribly ill.选项:a、why,becauseb、that,becausec、why,/d、that,that 定语从句do you know the reason why he didn't come?我把why换成that可以吗?变成 do you know the reason that he didn't come That was the reason ________ he told me yesterday. the reason that he was late was unknow 对么 为什么 The reason why he didn't go to school was that he was ill.为什么that不能用because来代替呢? I don't know the reason -------- he cried Athat Bwhy The reason why he didn’t attend the meeting is that he was ill谁能帮忙分析下句式结构 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?