1) You ___ visit your aunt while you're here. She's always asking about you. a) must b) shouldn't c) mustn't 2) You ___ smoke in here. a) must b) should c) mustn't 3) You can sleep here tonight, but you ___ leave tomorrow. a) shouldn't b) must c) mustn't 4) Everybody _____ drink 6 glasses of water a day. a) should b) shouldn't c) mustn't 5) You _____ go to school if you have a fever. a) shouldn't b) must c) should 6) Your grades are not OK. You _____ study more. a) shouldn't b) mustn't c) should

Must mustn't should shouldn't

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