Uzupełnij mustn't lub don't have to.

1. I --- mustn't don't have to smoke at school.

 
2. I --- mustn't don't have to wear a uniform.

 
3. I --- mustn't don't have to use my mobile phone at the classroom.

 
4. I --- mustn't don't have to pay for lessons.

 
5. We --- mustn't don't have to clean the classroom after school. Our school has cleaners.

 
6. We --- mustn't don't have to talk during classes.