1) You ____ wear a seatbelt in the car. It's the law. a) must b) should c) might d) couldn't 2) I ____ swim very well when I was five. a) can't b) have to c) could d) should 3) She ____ be late. Her car broke down on the highway. a) mustn't b) might c) shouldn't d) must 4) You ____ smoke inside a hospital. It is strictly forbidden. a) shouldn't b) mustn't c) don't have to d) can 5) You look tired. You ____ take a break. a) have to b) might c) must d) should 6) He ____ forget to call his grandmother on her birthday. a) shouldn't b) mustn't c) might not d) couldn't 7) We ____ go to the party if we don't want to. a) must b) don't have to c) shouldn't  d) mustn't 8) ____ you please help me with this heavy box? a) should b) must c) might d) could 9) It ____ rain tomorrow. The sky is very cloudy. a) should b) can c) may d) must 10) They ____ hurry. The train is leaving in five minutes! a) must b) don't have to c) can't d) shouldn't

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