1) You ___ finish your homework before playing. a) must b) can 2) You ___ smoke in the hospital. a) must not b) have to 3) You ___ wear a uniform at this school. a) have to b) can 4) You ___ eat in the library. a) must not b) have to 5) You ___ bring your ID to enter. a) must b) can 6) You ___ pay to enter the museum today. It's free. a) don't have to b) must 7) You ___ park here without a permit. a) can't b) have to 8) You ___ attend the meeting if you're not available. a) don't have to b) must 9) You ___ be quiet in the library. a) must b) can 10) You ___ wear a helmet when riding a bike. a) have to b) can 11) You ___ talk during the exam. a) must not b) have to 12) You ___ bring your own lunch. a) can b) must 13) You ___ finish the project by Friday. a) must b) can 14) You ___ take a break if you're tired. a) can b) must 15) You ___ enter the lab without goggles. a) can't b) must

Modals of Obligation and Prohibition Quiz

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