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MUST / MUSTN'T / HAVE / HAVE TO

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  • You ........................ tell the boss what happened, or he'll fire you.
    mustn't
  • Mike ................... drive so fast. We still have a lot of time.
    doesn't have to
  • I ...................... wear a tie. I do it because I like wearing ties.
    don't have to
  • I have a terrible headache, so I ............. leave early.
    must
  • You ........................ go now. you can stay a bit longer if you want.
    don't have to
  • Visitors to the zoo ............. feed the animals. It's prohibited.
    mustn't
  • I ........... take a taxi and not walk there. It's freezing outside and I don't want to get sick.
    must
  • We ............... leave our car now. The road ends here.
    have to
  • You ................ park here. It's permitted.
    mustn't
  • I .................. be late. It's the most important meeting of the year!
    mustn't
  • I .............. come back home before midnight. My parents told me that.
    have to
  • We ........... cook more. There's enough food for now.
    don't have to
  • The doctor has put me on a strict diet. I ............... eat more fruit and vegetables and do more exercise.
    have to
  • He ............... go with me. Children are not allowed there.
    mustn't
  • I ................... do something to solve this problem. It ruins my mood.
    must
  • Tomorrow is Sunday. He .................. get up very early.
    doesn't have to
  • I .................... phone Alie. I haven't spoken to her for a month.
    must
  • She doesn't like these clothes, but she ........... wear them at work.
    has to
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