Complete the sentences with must or mustn’t. 1. I can’t go to the movie tonight because I ¬¬¬¬¬¬_________ study for the final exams. 2. The soup is too hot. You _________ eat it yet. Wait for it to cool. 3. To stay alive, people _________breathe oxygen. 4. If you want to travel to certain countries, you _________ get a visa. 5. When the phone rings, you _________ answer it. 6. If you have an aquarium, you _________ give your tropical fish too much food of they’ll die. 7. To be a successful climber, you _________have a great deal of stamina. 8. You _________ play loud music late at night. The neighbours will call the police. 9. When you first meet someone, you ______ ask personal questions. 10. Everyone here _____ leave immediately! The building is on fire