2. Put have to, don't have to or mustn't into the gaps to complete the dialogue. Dan: Do you 0 have to call the teachers 'Sir' or 'Miss' at school in your country, Mia? Mia: No, we 1 ______ say that. We call them Mr or Mrs Smith, or whatever their name is. We 2_______ use their first names, though - that's rude! Dan: We 3 ________morning - we 4 _______be late. Mia: What happens if you are? If we're late, we 5 _____ stay for an hour after school, when the other students finish for the day. Mia: What do you 6_______ do? Dan: We 7 ________do anything difficult - just some extra work or sometimes we clean up the classrooms. stay here talking be on time in the be late. Mia: Well, you 8______ stay here talking to me then! Look! It's nearly 8.30! Dan: On no! Bye!
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