1) You ___________ touch anything! a) must b) mustn't 2) You ______ be quiet at the museum. a) must b) mustn't 3) You __________listen to the teacher. a) must b) mustn't 4) You __________ follow the rules. a) must b) mustn't 5) You ________ lean on dinosaur skeletons. a) must b) mustn't 6) You __________speak loudly with your friends. a) must b) mustn't

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