1) I can stay in bed tomorrow morning because I _____ work. It's holiday! a) must b) have to c) mustn't d) don't have to 2) All employees ________ on time for work. a) mustn't b) have to  c) must be d) don't have to be 3) Do you _____ work next weekend? a) have to b) must c) had to d) mustn't 4) I___________finish our project now so wI can go shopping with you! a) mustn't b) have to c) must  d) don't have to 5) She _____________ to call them, just send a message a) don't have to b) mustn't c) must d) doesn't have to 6) He _____________ online during the lesson. a) has to chat b) mustn't chat c) doesn't have to chat d) must chat 7) You ______________ off your phone when the film starts a) mustn't switch b) have to switch c) must switch d) don't have to switch 8) You ____________ stop at the traffic light when the light is red ! a) mustn't b) don't have to c) must d) have to 9) Mary ___________________ study more if she wants to pass the exam a) must b) has to c) have to d) doesn't have to e) mustn't 10) You _____________________ pay to enter the British Museum: it's free! a) have to b) must c) mustn't d) don't have to

Must vs Have to elementary

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