• Must/Mustn't
     Help
  • You __________ wear a hat when you’re in the desert. It’s essential!
    must
  • You ________ eat that! It’s cat food!
    mustn't
  • You ____________ be 17 to drive a car in the UK.
    must
  • Unlock this slideshow and over 3 million more with Baamboozle+
    Try slideshows
  • Your experience on this site will be improved by allowing cookies.