nobody knew it ,didn't they.改错

nobody knew it ,didn't they.改错 ( ).Nobody knew it ,didn't they.哪里出错、 A B C I don't think they knew about it,did they?我认为应该是didn‘t they They didn't read it ___because they knew little about it Many of them didn’t follow his advice,______ they knew it to Nothing serious,is it?怎样回答?Nobody came here,didn't they?怎样回答 改错：He doubed they finished the job ,didn't they? they didn't leave it was dark Nobody phoned in my absence,did they?还是 didn't they? 改错：They didn't know where the mouse from. They didn't late for school this morning.（改错） I didn't tell my friends _________but they knew there was so