OF E Task 1. Choose the correct word. 1. 2. 3. 4. 5. I think you must/should/ have to rest more. Johnny! You mustn't/ don't have to/shouldn't play with sharp knives. You mustn't/ shouldn't/don't have to tell anyone my secret. I can hear you. You mustn't/ shouldn't/ don't have to shout! Please, be quiet, you must/ should have to be more serious!