M013 - Modal Verbs - MUST, MUSTN'T and HAVE TO

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Complete the sentences with MUST, MUSTN'T, HAVE TO, HAS TO, DOESN'T HAVE TO or DON'T HAVE TO



  1. I leave early tomorrow morning or else I'll miss the flight to London.
  2. The pupils hand in their homework by Friday.
  3. John doesn't know anything about his birthday party. You tell him anything about it.
  4. Jack get up early tomorrow . It's his day off.
  5. If you're in New York you really go and see the Guggenheim Museum.
  6. All visitors wear an ID card, otherwise they won't be able to enter.
  7. We be late for the meeting. The director doesn't like people who are not on time.
  8. The car is making a lot of noise. I take it to the garage next week.
  9. I'm glad I write my application in English. My spelling is awful.
  10. My dad be at the airport by 5. The plane leaves at 6.30.
  11. Mike come with me. I can do the job on my own.
  12. If you really want to get a good seat, you'll get their early.