My classroomteachers desk1.What does Zhang Peng clean?2.What does John clean?1.What does Zhang Peng clean?2.What does John clean?Let me clean the teachers desk!Let me clean the windows!Listen and repeatRole play(角色扮演)游戏规则： 盒子六面有分别有一个词 组，分别是 Clean the classroom Clean the windows Clean the blackboard Clean the desks Clean the door Clean the teachers desk 盒子的上面显示哪个词组 同学们就用句型Let me 大声说出来。Homework（必做）Listen to the tape of this part and imitate.(听录音并模仿)（选做）If you are the monitor of your class, can you set up a table of doing cleaning. Write it down on a piece of paper.(制作一张英文值日表)