is this the reason .is this the reason --------- in the repourt for her success in the job?A she explained B why she explained C how she explained

This is the reason ____I did it. the reason for it is还是the reason for this is? is this the reason 还原成陈述语序 This is the reason ____I was telling you about it. what is the reason is this the reason .is this the reason --------- in the repourt for her success in the job?A she explained B why she explained C how she explained 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 this/it/that+ is the reason that…… this/it/that都可以吗? 这两个句子,哪个是对的,为什么,定语从句this is the reason that why .this is the reason why. 定语从句 is this the reason （ ）he was lat定语从句 is this the reason （ ）he was late for class This is the reason whyor which he is late for school.为什么which前要加for the reason i like this painting is that it is powerful image 如何翻译 This is the reason—— he didnt come to the meeting 为什么不用that? 英语翻译The reason for this phenomenon is various.The reasons for these phenomenons are various This is the reason why the Italian government has decided to forbid skinny models (3) fashion 英语因果关系表达this is the reason why we succeed the reason why we succeed is becausebecause sth is why we succeed.上述三种表达对错如何? The reason for this is not far to seek.什么意思 It is not I wants to be willful,the realistic reason causes me to turn this.