Let’s clean the classroom.Ok 好let’s =let us 让我们clean the boardLet me 让我擦黑板吧。让我 Let me clean the windows让我擦窗户吧。Let meclean the teacher’s deskOk 好clean the doorLet megood idea 好主意Let mesweep the floorLet me ...Let me help you. 让我帮助你吧。Thank you. 谢谢你。Let’sgogo to schoolclean theboardwindowteacher’s deskdoorclassroomdesks and chairs点拨:1. Let’s clean the classroom. 意思是 “让我们打扫教室吧。” 建议对方去做某事,其否定句为: Don’t let’s clean the classroom. 或 Let’s not clean the classroom.2. Good job! “ 做的不错!” 用于表扬对方,对对方工作的肯定和赞扬。