I don't know you were here应该是个病句吧?是否与I had not idea that you

I have no idea that you were here.和I had no idea that you ar hello ,I don't know you were here回答是什么 You don’t Know,Here I am I ______ you were here.A.don’t know B.won’t think C.think D. I don't know that you love 英语翻译i don't know whether you know that i'm not on the same s ---Hi,Tom.---Hello,Fancy.I ______ you were here.A.don't know -Hello,i didn't know you were here. Hello!I didn’t know you were here. Maybe I don't know you~not that into you.only time will tell You don't know me you said that I could not love You know that I don't know Chinese LOL