Study

B1

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  • Visitors SHOULDN'T / DON'T NEED TO feed the zoo animals.
    SHOULDN'T
  • When we were at school we MUST / HAD TO wear a uniform
    HAD TO
  • I couldn't go to the party because I HAD TO / MUST go to the dentist.
    HAD TO
  • You MUST / OUGHT to switch off your phone during classes.
    OUGHT
  • Where OUGHT TO / SHOULD we put the empty pizza boxes?
    SHOULD
  • Did you MUST / HAVE TO take a lot of tests last trimester?
    HAVE TO
  • You SHOULD / OUGHT take breaks from working every 20 minutes.
    SHOULD
  • We DON'T HAVE TO / MUSTN'T talk during the exam.
    MUSTN'T
  • You DON'T NEED TO / SHOULDN'T be an expert to use basic computer programs.
    DON'T NEED TO
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