they have no idea at all ()为什么用a

they have no idea at all ()为什么用a They have no idea at all they have no idea at all how busy we were They have no idea at all ____. A. where he has go They have no idea at all ________.A.where he ha They have no idea at all_____ They have no idea at all ( )Awhat he is working on Bwhat is 高中英语同位语练习They have no idea at all _____A where he has gone B They have no idea at all where she has gone .这句话是同位语从句还是宾语从句 英语they no idea和They have no idea有什么区别? What did they listen to a talk?Sorry,I have no idea.改错 we have no idea _____ he is.----they say he is a policeman?