1) My sister has got a new computer in her bedroom, so she ____________do her homework in the living room anymore a) doesn't have to b) has to c) don´t have to d) hasn't to 2) In my uncle's job, he talks to a lot of on the phone, so he ___________wear a headset all day a) don't have to b) have to c) has to d) doesn´t have to 3) You _______ arrive on time because you have an exam a) has to b) musn't c) have to d) must 4) It's got a battery, you __________plug it in a) have to b) must c) musn't 5) You____________arrive late at home, it is dangerous a) musn't b) have to c) has to d) don't have to e) doesn´t have to 6) You ________ copy in the exam a) have to b) has to c) don't have to d) mustn't 7) I've broken Dad's speaker. I ________take it to the repair shop. a) has to b) have to c) don't have to 8) You ________call her tomorrow, it is her birthday a) must b) have to c) musn't 9) She _____________ eat a lot of friet food. a) doesn't has to b) has to c) have to d) doesn't have to 10) He _____________ spend more time on his homework. a) have to b) must c) don't have to d) has to 11) I __________ work tonight. a) musn't b) must c) have to d) has to 12) He __________ work too late  a) have to b) must c) musn't d) don't have to

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