MUST: You ____ be quiet., You ____ keep your dog on a lead., You ____ light a campfire away from the trees., You ____ pack food in a bag., You ____ take a torch with you., MUSTN'T: You ____ feed wild animals., You ____ eat during the lesson., You ____ cut down trees., You ____ swim alone., You ____ put up your tent near rivers.,

iWonder 3 Must/Mustn't

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