Помогите ! Завершите предложения словами must или mustn't
1. We ___ eat inside the gallery! 2. You ___ be quiet in the library. 3. You ___ talk in the theatre. 4. We ___ feed the animals at the zoo. It's dangerous. 5. Children ___ stay close to their parents. 6. We ___ take photos. It's bad for the paintings. 7. You ___ leave by 6 o'clock or you'll be late