Bonjour j'aurais besoin d'aide pour cet exercice d'anglais merci d'avance

Bonsoir.
They must come to school at time.
They must do their homework.
They must listen to the teacher.
They must put up their hands to speak.
They must work hard.

They mustn't chew gum in class.
They mustn't fight with classmates.
They mustn't eat or drink in the classroom.
They mustn't shout.
They must'nt talk with your friend when the teacher is explaining.

They can read books at the break.
They can play at the break.
They can ask questions.
They can help other students.
They can ask their classmates about somthing that you don't understand.

I hope that i helped you !!