1) Drivers _____________ drive over 90km/h. (PROHIBITION) a) needn't b) mustn't c) ought to 2) I ____________ rest because I feel exhausted. (NECESSARY) a) should b) needn't c) need to 3) You ____________ eat healthy food to be fit. (ADVICE) a) should b) must c) need to 4) Children ___________ wear a uniform to school. (OBLIGATION) a) should b) must c) ought to 5) Tom and Julie _____________ fight for the ball. There is one for each. (NOT NECESSARY) a) needn't b) shouldn't c) can't 6) You ___________ study for your exam, it's tomorrow. (NECESSARY) a) can b) ought to c) need to 7) People _____________ use their mobile phones on the plane. (PROHIBITION) a) shouldn't b) mustn't c) can't 8) My mum isn't feeling well. She ____________ go to the doctor. (ADVICE) a) ought to b) needn't c) must 9) Everybody _____________ read more books and watch less TV. (ADVICE) a) must b) should c) can't 10) You ________ fasten your seatbelt when you go by car. (OBLIGATION) a) must b) should c) need to 11) My dad ____________ do more exercise. (NECESSARY) a) must b) shouldn't c) needs to

Should, shouldn't, must, mustn't, need to, needn't

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