Unit 4 Dont eat in class.Section B 3a-Self Check,Dont be noisy,Lets review the rules in your family,Dont leave the dirty dishes in the kitchen,FAMILY RULES,Do your homework after school,FAMILY RULES,Practice the guitar every day,FAMILY RULES,Dont watch TV after school,FAMILY RULES,Do you think the rules in your family are right? Why or why not,3a Complete Zhao Peis letter to Dr. Know using have to/must, can or cant,Dear Dr. Know,_ you help me? Im not happy because there are too many rules a
