Exercise 3: Complete the sentences with must, mustn’t or needn't.

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!
   must      mustn’t      needn’t   
1. We haven't got much time. We hurry.
2. We’ve got plenty of time. We hurry.
3. We have enough food at home so we go shopping today.
4. Jim gave me a letter to post. I remember to post it.
5. Jim gave me a letter to post. I forget to post it.
6. There’s plenty of time for you to make up your mind. You decide now.