Who cleaned the classroom?怎么回答

Who cleaned the classroom?怎么回答 Who cleaned the classroom?改为被动语态 who cleaned the classroom yesterday - dick _____ . ---Who cleaned the classroom yesterday?---John ().A.cleaned Who cleaned the classroom is a question( )we should answer it was they that/who cleaned the classroom yesterday. who cleaned the classroom for us last friday I () who cleaned the classroom without telling me. Have they cleaned the classroom?(作肯定回答) Have they cleaned the classroom?（做肯定回答） 句型转换Who cleaned the classroom(改被动语态）Who________the classroom he has cleaned the classroom 对 cleaned the classroom提问