-Do you know what Mr Franklin is -Idon't really know exactly

-Do you know what Mr Franklin is -Idon't really know exactly Do you know_?Sorry,Idon't know.A.how old is Tom B.how old To Idon't know what he (ture) felt Idon't know what to do 中的"what to do "是句子吗? Do you know No,Idon'know A.where he's from B.where is he com Do you know where Mr.Zhou is? I don’t know ,what idon’t understand . i know exactly what you mean.exactly如何准确翻译 ：idon't know what to say …i'm iust thinking of you a lot at 改错we really don't know what will do next i don't know what this is.do you know who the girl standing Sorry,Idon't know意思