Choose the correct modal verb.
1. You mustn't/can't/needn't talk during the test. It's prohibited.
You can't/have to/mustn't pay your rent. That's the rule.
3. You needn't/can't/mustn't eat in the classroom. It's forbidden.
4. You can't/mustn't/needn't have any pets in this house. It's not allowed.
5. You needn't/must/mustn't go