1. Vietnamese children _____have to_____ wear uniform when they go to school.

2. Last night my sister was ill . We _____had to/must_____ call the doctor.

3. I have bad toothache . I _____must_____ make an appointment with the dentist.

4. I don't want to _______have to_____ wait in a queue for ages.

5. She _______has to______ work on Saturday morning.

6. When you come to California, you ______must______ come and see us soon.

7. This is a terrible party . We ______must_____ go home.

8. If there are no taxis we'll _______have to_____ walk.

9. Daniel ______must_____ go to the bank . He hasn't any money.

10. You really ______must/ have to_____ hurry up , Vicky . We don't want to be late.