1) I ______ talk to her right now. (I feel this is necessary.)  a) need b) must c) can 2) My brother ______ wear a suit to work. (These are the rules.)  a) has to b) doesn't have to c) mustn't 3) Neil often _____ to do overtime. a) must b) doesn't need c) needs 4) A teacher _________ do physical work.  a) can't b) doesn’t have to c) must 5) You ________ come to the office. You can work from home.  a) can't b) needn’t c) mustn't 6) You ________ write the essay again. a) mustn't to b) need c) don’t need to 7) Journalists ______ work flexible hours. a) can b) don't have to c) have to 8) I ______ leave the office during office hours.  a) need b) must c) can’t 9) You ______ check your private email at work. a) mustn’t b) can c) must

Modal verbs of obligation/permission

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