Răspuns:
1. You musn't chew gum in class.
2. You musn't use a mobile phone in class.
3. You must listen to the teacher.
4. You must arrive on time for the lesson.
5. You musn't talk to your friends during the lesson.
6. You must bring your homework to the next lesson.
Explicație:
Iti dai seama ce inseamna fiecare regula, si pui must daca trebuie facut, sau musn't daca nu trebuie facut!
Este destul de usor! Succes!:)