Вставте: must,mustn't или can't. 1.please don't make so much noise.we wake the children. 2.there isn't much time.we . 3.you cook your meals in the room.it isn't allowed. 4.you wear a seatbelt when you are in a car.that's the rule. 5. put posters in the room.it's forbidden.
2.There isn't much time. We must hurry.
3.You can't cook your meals in the room. It isn't allowed.
4.You must wear a seatbelt when you are in a car. That's the rule.
5.You mustn't put posters in the room. It's forbidden.