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mustn't/ don't have to

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  • Visitors to the zoo _______ feed the animals.
    don't have to
    mustn't
  • We ________ to cook more; there's enough food.
    mustn't
    don't have to
  • You _________ apologise; it isn't necessary.
    mustn't
    don't have to
  • The entrance is free of charge, so you _______ buy a ticket.
    mustn't
    don't have to
  • You _________ to go now; you can stay a bit longer.
    don't have to
    mustn't
  • You________ put salt in her food; the doctor said she can't eat salt.
    don't have to
    mustn't
  • You _________ leave any medicine where children can reach them.
    don't have to
    mustn't
  • You __________ smoke in here; smoking is not allowed.
    mustn't
    don't have to
  • We _______ to walk the dog every hour.
    don't have
    mustn't
  • You _______ tell the boss what happened, or he'll fire you.
    mustn't
    don't have to
  • You ________ pay for a bag at many supermarkets.
    mustn't
    don't have to
  • John won the lottery last year so he ________ work.
    doesn't have to
    mustn't
  • I __________ wear a tie; I do it because I like wearing ties.
    mustn't
    don't have to
  • You ______ smoke in the car.
    mustn't
    don't have to
  • Children ______ chat in class.
    mustn't
    don't have to
  • I ________ be late. It's the most important meeting of the year.
    don't have to
    mustn't
  • You _________ drive so fast; we have a lot of time.
    mustn't
    don't have to
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