MODAL VERBS - Must / Have to
Complete the sentences below using must or a form of have to.
Example: You _____ light a naked flame near the gas pumps. a) don't have to b) must not - The answer is: b) must not ----------
1. Victoria _____ wake up at 4:00 in the morning yesterday. a) had to b) must
2. I strongly believe that they should _____ ask permission. a) have to b) must
3. Can _____ reliably predict an earthquake? a) anyone b) anywhere
4. When I was young, I _____ do many things for myself. a) didn't have to b) must not
5. While operating a motor vehicle, you _____ drink and drive. a) don't have to b) must not
6. Why _____ a new year come for us to make changes in our lives? a) has to b) must
7. You _____ wear a tie, but you can wear one if you want to. a) don't have to b) must not
8. The weather became so severe that all of the workers _____ be sent home. a) had to b) must
9. Bill _____ see everything at once because he can always visit again. a) doesn't have to b) must not
10. _____ all of the current assumptions about the universe one day be revised? a) Have to b) Must ----------
