1) You ______ ________ _______ apologise, it isn't necesary. a) don't have to b) doesn't have to 2) I ____ _____ ____ wear a tie, I do it because I like wearing ties. a) don't have to b) doesn't have to 3) She ____ _____ buy new clothes. a) has to b) have to 4) She ______ _______ _____ buy a new watch. a) doesn't have to b) don't have to 5) You _______ ______ drive slower than 110 km/h on highways. a) has to  b) have to  6) You _____ ___ wear uniform in class. a) has to b) have to 7) My brother _______ ____ drink milk before going to bed. a) has to b) have to 8) I _____ ___ be there at 7:00p.m. a) has to b) have to 9) I _____ ___ work on Sundays. a) has to b) have to 10) _____ you ____ ___ get up early tomorrow? a) Do, have to b) Does, has to 11) I _____ ____ stop smoking. a) has to b) have to 12) She _____ ______ _____ learn your language. a) doesn't have to b) doesn't has to 13) We _____ ______ ____ buy an egg. a) don't have to b) doesn't have to 14) He _____ ____ __ pick me up at the station. a) doesn't have to b) doesn't has to 15) They _____ ____ __ wear a suit. a) don't have to b) doesn't have to

Have to/ Don't have to

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