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.
1 have to
2 must
3 mustn't
4 doesn't have to
5 must
6 must
7 mustn't
8 have to
9 don't have to
10 has to
11 doesn't have to
12 have to
1,have to
2,must
3,mustn't
4,doesn't have to
5,must
6,must
7,mustn't
8,have to
9,don't have to
10,has to
11,doesn't have to
12,have to