1) You ... run during the break a) can't b) don't have to 2) I ... wear a uniform at school a) can b) have to 3) You're in the library. You ... be quiet a) may b) must 4) Mr Green, ... I ask you a question? a) may b) must 5) You ... go to school on Sunday a) mustn't b) don't have to 6) ... come in, please? a) May b) Have to

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