Ex5: 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 students __________ 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 there early.