1) I _______ play the piano. It's very difficult for me. a) must b) shouldn't c) could d) can't 2) In the UK, they _______ wear a uniform. It's mandatory. a) must b) can c) should d) mustn't 3) You _____ study harder if you want to pass the exam. a) can't b) shouldn't c) should d) could 4) ______ you speak French? a) Must b) Can c) Have d) Should 5) When I was a child I ________ sing very well. a) could b) must c) can d) can't 6) You _______ forget to do your homework. a) couldn't b) should c) must d) shouldn't 7) You ________ run across the road. It's very dangerous. a) should b) mustn't c) must d) couldn't 8) You ______ sleep a bit more if you want to have more energy. a) can b) have c) should d) shouldn't 9) My dog _______ run very fast and jump really high. a) must b) can c) couldn't d) should 10) We ________ be late for school. a) couldn't b) don't have to c) shouldn't d) mustn't

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