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,*,本资料仅供参考,不能作为科学依据。谢谢。本资料仅供参考,不能作为科学依据。本资料仅供参考,不能作为科学依据。谢谢。本资料仅供参考,不能作为科学依据。,闽教版四年级英语上册,Unit 2 On Duty,1/10,clean the blackboard,2/10,close the window,3/10,sweep the floor,4/10,turn off the lights,5/10,Lets clean the blackboard.,Please clean the blackboard.,现在用上面短语来进行替换。,6/10,Lets sweep the floor.,Please sweep the floor.,7/10,Lets close the window.,Please close the window.,8/10,Lets turn off the lights.,Please turn off the lights.,9/10,Thank you!,10/10,