1) Firefighters _______ wear a uniform a) MUST b) HAVE TO c) DON'T HAVE TO 2) I ________ stop bitting my nails a) MUST b) HAVE TO c) MUSTN'T 3) You _______ to stop eating fast food, it's too unhealthy a) SHOULD b) SHOULDN'T c) OUGHT 4) You _______ smoke here, it's forbidden a) MUST b) MUSTN'T c) DON'T HAVE TO 5) You _______ to bring a coat, it's really hot in Hawaii! a) have b) must c) don't have 6) Donald Trump _______ work, he's rich enough to live without working a) doesn't have to b) don't have to c) must 7) If you want to win the race, you _______ train harder a) ought b) mustn't c) should 8) In England you _________ pay taxes  a) must b) have to c) don't have to 9) I _________ remember to get a present for Daisy a) must b) have to c) shouldn't 10) You _________ drink so many fizzy drinks. It’s bad for your health. a) should b) must c) shouldn't 11) You _________ come to the meeting, it's very important a) have to b) mustn't c) haven´t 12) You ___________be quiet if you go to the library. a) must b) have to c) shouldn´t 13) You _____________ brush your teeth three times a day, after meals. a) should b) are able to c) must 14) You ____________ talk on the phone while you drive. a) have not to b) must c) mustn´t 15) Are __________ to come to the party tomorrow? a) should b) you able to c) ought 16) It's free! You _____________ pay a) must b) don't have to c) can't

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