1) Everyone, especially children and elderly people, _________ get a flu shot. a) should b) had better c) must d) would better 2) You __________ get your annual flu shot soon. a) had better b) would better c) could better d) must better 3) You _________ forget what I've just said. It's important. a) shouldn't b) 'd better not c) must d) should 4) Anyone ______ get the flu. a) can b) should c) must d) had better 5) Infants ________ be at least 6 months old before they get the vaccine. a) must b) should c) ought d) had better 6) You ________ get a new vaccine every year for several reasons. a) must b) should c) mustn't d) ought to not 7) You _________ see a doctor to get a vaccine. a) don't have to b) mustn't c) can't d) shouldn't 8) You _________ even get a flu shot at a grocery store. a) can b) must c) have to d) should 9) You _________ ask your employer if they have free vaccines for workers. a) should b) can c) ought d) had best 10) I think my company ________ give us flu shots for free. a) ought to b) ought c) mustn't d) can 11) To get a free flu shot, you _________ have an employee ID or a badge. It's a requirement. a) must b) should c) ought to d) can 12) Your daughter's immunizations _________ up to date. It's a requirement. a) must be b) must to be c) ought to be d) should be 13) You _________ forget your cousin's birthday again. She'll be so angry! a) 'd better not b) shouldn't c) mustn't d) can 14) What ___________ about the risks of vaccination? a) should I to know b) should I know c) must I to know 15) I _______ make an appointment as soon as possible. a) 'd better to b) 'd better c) must to d) should to

Modal verbs (should, ought to, had better, must)

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