I had no idea----- was going to happenA of what B in which C in what D of which答案是A 我选D 不是介词在前只能用WHICH吗

I have no idea that you were here.和I had no idea that you are here有甚么区别? I have no idea when we first met,i had no idea that you would be so portan to Dear me!Just _(look)the time!I had no idea it was so late. I just had no idea who he was.为什么不是whom i had no idea of __________(his ,do such a silly thing) she had no idea.怎么翻译? i've got no idea. I have no idea what——when l was awayA.had happenedB.had happenedC.happenedD.will happen 英语语法问题：下述句子（见补充说明）是什么从句?I had no idea what I was talking about. 帮我造两个英语句子?1.I had no idea that_________2.The fact that ____________inspired all of us. i had no idea you were a marvelous writer 这句话到底应该怎样翻译最准确? I had no idea what you are talking about.这句话what前面为什么不加介词,比如about I had no even a vague idea —was going to happen A of what B of whichI had no even a vague idea —was going to happen A of what B of which为什么B不对? I have no idea!的同义句 I have no idea about it. I have no idea what to I've no idea同意句