He often clean his room.哪里错了

he often clean his room.的一般疑问形式 He often clean his room.哪里错了 On Sunday,He often helps his mother clean/cleaning.clean和cleaning选哪个? He often listen to the (r.) in his spare time. He often __(help)his mother___(clean )the house. He __(live)in a small city .填空详解谢谢 90 where is tom?he()(clean)the room.he often()(help)his mother()(clean)the room用所给出的正确时态填空,急! 他经常下课后帮老师擦黑板 英语这两句那个是对的 A:He often clean the blackboard for his teacher after classB：He often clean the blackboard after class for his teacher His mother often makes him____(clean)his room on weekends He cleans his room.还是 He clean his room? Danny_____(认为)he could hit the ball,but he hurt his hand.空里应填什么,写出,并说明理由.还有：I often help my mother _____(clean)the room. Sandy often helps her father _____(clean) his car he has to clean his room 改为一般疑问句（）he ()()clean his room He often with (his friends) _______ _______ he often piay_______? it is ____ turn ____ the room.A his ,to clean B he ,clean C his ,clean D he ,cleaning ___did he clean yesterday afternoon?He just cleaed his room. He has to clean his room every Saturday.(对clean his room 提问） he had to clean his room last night (clean his room 提问） He often f_____ with his little brother