This is the reason I have to go.这是一句定语从句,那么他的引导词是什么

This is the reason ____I did it. the reason i like this painting is that it is powerful image 如何翻译 关于英语单词reason的用法I came across a problem on the word reason.1.(The reason why.is because.) Is this sentence pattern grammatically right?(语法上正确) 2.(This is the reason that he is late/This is the reason he is late.) Is this It is not I wants to be willful,the realistic reason causes me to turn this. This is the reason ——I came hereA.that B.why 为什么不用that 这就是我喜欢西瓜的原因 译成英语 This is the reason I like watermelon This is the reason I was late选词填空A.that B.which C.why D.in whichThis is the reason （ ）I was late the reason for it is还是the reason for this is? 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 like the film star.A.because of B.because C.why D.that The reason why I love this festival is that theThe reason why I love this festival is that the festival is very interesting.这句话有错误吗?写作文编了这句话,大家帮忙找找有没有错误, One reason for this decision is that I think the classic way of...One reason for this decision is that I think the classic way of using application servers is in a way disappearing,or at least changing. is this the reason 还原成陈述语序 This is the reason ____I was telling you about it. The only reason I'm fat is because a tiny body couldn't store all this personality The only reason I'm fat is because a tiny body couldn't store all this personality急 The only reason I'm fat is because a tiny body couldn't store all this personality. This is the reason I have to go.这是一句定语从句,那么他的引导词是什么