1) Dogs _________ come in! a) needn't b) mustn't c) can 2) You __________ use your mobile phone if your teacher says so. a) needn't b) mustn't c) can 3) You __________ bring food because you can buy it in the cafeteria. a) needn't b) mustn't c) can 4) You __________ sleep in class! a) mustn't b) can't c) can 5) You _____________ be late for class! a) must b) mustn't c) needn't 6) You ___________ be loud in class! a) mustn't b) must c) needn't

modal verbs

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