Revision 3,Review,黑板 门 窗；窗户 苹果 香蕉 桔子,words,blackboard door window apple banana orange,梨 床 书 椅子 书桌 钢笔,pear bed book chair desk pen,铅笔 尺 书包 爸爸 妈妈,pencil ruler schoolbag dad mum,Lets revise (,Close,Open,the,Clean,Look at,door,window,blackboard,please,Please,close,open,the,clean,look at,door,window,blackboard,Close the door, please,Open the door, please,Look at the blackboard, please,Please _,close the door,Please _,open the door,Please _,clea
