You ___ help your friends.
mustn't
must
You ___ arrive late.
musn't
must
You ___ do your homework.
must
mustn't
You ___ listen to the teacher.
must
mustn't
You ___ eat in class.
mustn't
must
You ___ put litter in the bin.
must
mustn't
You ___ shout in class.
mustn't
must
You ___ follow the rules in class!
mustn't
must
You ___ study English at school.
must
mustn't
You ___ arrive on time.
must
mustn't
You ___ wash your hands before food.
must
mustn't
You ___ play with your phone in the lesson.
must
mustn't
You ___ sleep in class.
mustn't
must
You ___ run at school.
mustn't
must
You ___ study at school.
must
mustn't
You ___ eat ice cream in school.
mustn't
must
