Lets talkLets talkWho saysWho says? ? Lets clean the classroom. Lets clean the desks and chairs. Let me clean the window. Let me clean the board. Zhang PengWu yifanChen jieMike猜一猜猜一猜Clean the Clean the window!window!Yes!Yes!图片图片Sweep the Sweep the floor!floor!小小结结 Lets clean the classroom. Lets clean the desks and chairs.Let me clean the window.Let me clean the board. Good idea. All right. Its nice. Its nice and clean. Good job!Homework :运用所学知识课下进行交流运用。See you!