1) I ____ take some exercise if I want to feel fine. a) should b) shouldn't c) must d) mustn't 2) You look tired. I think you _____________ take a few days off. a) should b) shouldn't c) must d) mustn't 3) You __________________ swim in that river. It's full of crocodiles a) should b) shouldn't c) must d) mustn't 4) You ____________ drink so much. It's not good for your health. a) should b) shouldn't c) must d) mustn't 5) You _____ finish homework before you play games a) should b) shouldn't c) must d) mustn't 6) You _______ brush your teeth after every meal, if possible a) should b) shouldn't c) must d) mustn't 7) You __________ touch anything electrical if you are in the bath. a) should b) shouldn't c) must d) mustn't 8) Jenny, you __________________ play in the street! a) should b) shouldn't c) must d) mustn't 9) You ____________ come to school on time. a) should b) shouldn't c) must d) mustn't 10) To be safe, you _________ take a lot of cash with you. a) should b) shouldn't c) must d) mustn't 11) You ___________ bring your passport to travel to another country. a) should b) shouldn't c) must d) mustn't 12) All employees ________ be on time for work. a) should b) shouldn't c) must d) mustn't 13) Drivers …………… stop when the traffic lights are red. a) should b) shouldn't c) must d) mustn't 14) People………… walk on the grass. a) should b) shouldn't c) must d) mustn't 15) Kate is ill, so she ..... go to work today. a) should b) shouldn't c) must d) mustn't

must & should

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