-Who cleaned the blackbroad yesterday,Dick?-John _____ A.cle

-Who cleaned the blackbroad yesterday,Dick?-John _____ A.cle who cleaned the classroom yesterday - dick _____ . ---Who cleaned the classroom yesterday?---John ().A.cleaned who cleaned the room yesterday,Dick TEACHER-who cleaned the blackboard yesterday?JOHN-I did. 求解一道英语语法题?6. --- Who cleaned the blackboard yesterday, Dick? Who cleaned the bedroom yesterday?John____. ---Who cleaned the window yesterday?---I ___. cleaned,who,blackboard,yesterday,the 排列 who cleaned the blackboard yesterday?--Mary( )单选A.was B.clea It______Mike and Ben who cleaned the windows yesterday it was they that/who cleaned the classroom yesterday.