单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit2 Cleaning Day,Part A,Unit2 Cleaning DayPart A,blackboard,chair,desk,window,door,classroom,blackboardchairdeskwindowdoorc,blackboard,desk,chair,window,door,blackboarddeskchairwindowdoor,door 门,door 门,Singing,singing,he is,singing,.,Dancing,dancing,he is,dancing,.,Singing,singing,he is singin,Running,running,they are,running,.,动词加,ing,表示正在进行,Running,running,they are run,clean 把.弄干净,clean 把.弄干净,Lets clean the classroom,Lets clean the classroom,clean the window,Sally is,clean,ing,the window.,clean the windowSally is clean,clean the desk,Lily is,clean,ing,the desks.,clean the deskLily is cleaning,clean the chair,Yang Ming is,clean,ing,the chair.,clean the chairYang Ming is cl,clean the door,Wang Tao is,clean,ing,the door.,clean the doorWang Tao is clea,clean the blackboard,He is,clean,ing,the blackboard.,clean the blackboardHe is clea,stand,站,He is,stand,ing,on a chair.,stand 站He is standing on a cha,stand,She,is standing on,a chair.,They,are cleaning,the windows.,standShe is standing on a chai,