1) You ________ cook dinner tonight. Carmen did it for you. a) mustn't b) don't have to 2) Students _______ drink or eat in class. a) mustn't b) don't have to 3) You ________ walk on the grass. a) couldn't b) mustn't 4) Ann _______ swim when she was five. a) can b) couldn't 5) You _________ avoid soft drinks. It's not good for your health. a) don't have to b)  should 6) ______ you help me with my Maths homework? a) Can b) Must 7) I _______ remember to call my grandma tonight. a) must b) can 8) Jessica _______ ride a bike when she was four years old.  a) could b) had to 9) _____ I use the games console? a) Can b) Must 10) You ________ enter this room; there's a sign on the door. a) mustn't b) shouldn't

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