Unit 2 Cleaning Day,Part A,blackboard,黑板,desk,课桌,chair,椅子,window,窗,door,门,What do you often do on ,We,Friday,clean our classroom on Friday,It is Friday. Lets clean our classroom,今天是周五。让我们来大扫除吧,Lets listen,He is standing on a chair,stand on a chair,站在椅子上,She is cleaning the blackboard,clean the blackboard,擦黑板,He is cleaning the desk,clean the desk,擦桌子,She is cleaning the chair,clean the chair,擦椅子,He is cleaning the window,clean the window,擦窗户,He is cleaning the door,clean the door,擦门,_ is cl
