1) You...smoke at the street. a) can't b) mustn't c) must d) have to 2) Children...wear uniform at school. a) must b) have to c) can d) need to 3) My brother...swim. a) can b) mustn't c) has to d) need to 4) Teachers..be patient. a) have to b) must c) has to d) mustn't 5) You...speak loudly at the library. a) must b) needn't c) can't d) haven't to

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