B. Complete the dialogues using can, can't, must or mustn't and the verbs in brackets. Give short answers where possible. 1. Ted: Mum, (I / go) for a swim now? Mum: No, you . You've just had lunch. You (go) swimming after you've eaten a meal. You (wait) for at least three hours. Ted: (I / sunbathe) instead? Mum: Of course, you , but don't forget your hat. You (always / wear) a hat when you're in the sun. Ted: But I left my hat at home. Mum: Well, you (take) Dad's hat for now. And remember, you (stay) in the sun for too long. OK? Ted: OK, OK. Anything else? 2. Daisy: Come on, Roger. We (check in). We're going to miss our flight. Roger: I'm coming! Check-in Clerk: Is this all your luggage? Daisy: Yes. Roger: Excuse me, (I / take) this bag with me on the plane? Check-in Clerk: Of course, you , sir. Here are your seat numbers. Daisy: And where (we / wait) until they announce our gate number? Check-in Clerk: You (wait) in the departure lounge. Roger: (we / get) something to eat there? Check-in Clerk: Yes, you . But when your gate number's announced, you (go) through passport control. You (be) late.