1) I __________ feed my pet every day. (obligation) a) mustn't b) can c) must 2) Students _________ use their cellphone during the test. (permission) a) mustn't b) have to c) can't 3) You ___________ wear a uniform at school. (obligation) a) mustn't b) have to c) doesn't have to 4) Jim __________ work on Saturdays. (obligation) a) has to b) have to c) don't have to 5) We __________ play video games at home. (permission) a) can't b) can c) must 6) You _________ wear your uniform at home. (optional. Not necessary) a) mustn't b) don't have to c) have to 7) _________ I ask you a question, please? (permission) a) Must b) Should c) Can 8) We are in the library. We __________ be quiet. (obligation) a) has to b) must c) mustn't 9) Mary ________ wake up early today. It's her day off. (optional. Not necessary) a) doesn't have to b) must c) can't 10) Sally ___________ cook lunch every day. (obligation) a) can b) has to c) have to 11) You _________ cheat in your exam. (prohibition) a) mustn't b) don't have to c) have to 12) ________ I come in? - Yes, you _______ (permission) a) Should/ must b) Have/ have c) Can / can 13) We ___________ stay until midnight playing video games. (prohibition) a) must b) can't c) should 14) You__________clean the kitchen because I did it. (optional. Not necessary) a) don't have to b) mustn't c) must 15) __________borrow your phone ? I need to call my mom. (permission) a) can b) have to c) must 16) It's warm today , you __________wear warm jacket. (optional. Not necessary) a) should b) don't have to c) mustn't 17) He ___________to wear a uniform at school. (obligation) a) has b) have to c) can 18) Q: Mum, ________ I go walking ? A: No, you can't. You ________________do your homework first. (permission) +(obligation) a) can, have to b) can, has to c) must , must 19) I ______ wash my car because my brother washed it in the morning. (optional. Not necessary) a) don't have to b) should c) must 20) I ________ go home because it's late . (obligation) a) have to b) needn't c) must

Must, mustn't, have to, don't have to, can, can't

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