Fill in: must, mustn’t or can’t.

1. You ... put posters in the room. It’s forbidden.
2. You ... wear a seatbelt when you are in a car. That’s the rule.
3. You ... cook your meals in the room. It isn’t allowed to.
4. There isn’t much time. We ... hurry.
5. Please don’t make so much noise. We ... wake the children.