【正文】
must (必須 ) mustn39。t (不能,不要) …… Act the dialogue if time is enough. Say what you must and mustn39。t do at school or at home. Ⅳ Summingup(課堂小結(jié) ) Ⅴ Exercise: Workbook on Page 156 Exercise2 Ⅵ Homework Write what you must and mustn39。t do at school or at home.