ORACIONES CON MUST Y MUSTN'T

1. You mustn't eat food in class.
2. You mustn't use mobile in class.
3. You mustn't get to class on time.
4. You mustn't listen to music in class.
5. You must do exams.
6. You mustn't talk in exams.
7. You mustn't sleep in class.
8. You must drink cola in school.