1) You ... wear shoes. a) must b) mustn't 2) You ... wear a life jacket. a) must b) mustn't 3) You ... kick your opponent's head hard. a) must b) mustn't 4) You ... eat before diving. a) must b) mustn't 5) You ... stand on a canoe. a) must b) mustn't 6) You... wear a swimming cap. a) must b) mustn't 7) You ... clean your room. a) must b) mustn't 8) You ... play with knives. a) must b) mustn't 9) You... brush your teeth every day. a) must b) mustn't

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