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) can b) mustn't c) should 8) In England you _________ pay taxes. It’s the government law. 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 early, the meeting was cancelled. a) needn´t b) ought c) haven´t 12) You ___________be quiet if you go to the library. It’s the rule. a) must b) have to c) shouldn´t 13) I think you _____________ brush your teeth three times a day, after meals. a) should b) needn't c) must 14) You ____________ talk on the phone while you drive. a) have not to b) must c) mustn´t 15) I _________ do my homework because my books are at school. a) mustn’t b) needn’t c) can’t 16) We _________ use our mobile phones in school lessons. It’s a school rule. a) mustn’t b) Doesn’t have to c) shouldn’t 17) The entrance is free. You ___________ pay. a) doesn’t have to b) mustn’t c) need to 18) In Britain, you ____________ drive on the left. a) can b) must c) have to 19) When Tom was 16, he was a fast runner. He __________ run 100m in 12 seconds! a) must b) could c) can 20) It's getting windy outside. You __________ put your coat on. a) must b) don’t have to c) should

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