Modals

Gap-fill Exercise

Complete the sentences using the words listed in the box below

must     have to

1. I  be at the meeting by 10:00. I will probably  take a taxi if I want to be on time.

2. You  submit the application if it has not been completely filled out. Check that the name, address, and background information are correct. If the form is not accurate and complete, you will be rejected and you will  reapply at a later date.

3. Tina: Look at these flowers - they're beautiful! But, there's no card. Who could have sent them?
Stephanie: It  have been David. He's the only one who would send you flowers.

4. You  forget to pay the rent tomorrow. The landlord is very strict about paying on time.

5. You  be so rude! Why don't you try saying "please" once in a while.

6. If you are over 18 in California, you  take a driver training course to get a driver's license. You can have a friend or a family member teach you instead. But remember, you  still get your permit before you start practicing.

7. You  be rich to be a success. Some of the most successful people I know haven't got a penny to their name.

8. Ed: My car broke down in Death Valley last week. I  have it towed more than a hundred miles to the nearest mechanic.
Lilly: That  have cost a fortune!

9. While hiking in Alaska, you  keep an eye out for bears. If you see one, you  approach it. They are beautiful animals; however, they are wild and unpredictable in nature. You  be afraid of them, but educating yourself about the dangers can help keep you safe.

10. I  go to work tomorrow because it is Memorial Day. The best thing about a day off from work is that I  get up at 6:00; I can sleep in till noon if I want to.

11. Yesterday, I  cram all day for my French final. I didn't get to sleep until after midnight.

12. Nate: Oh no! I completely forgot we were supposed to pick Jenny up at the airport.
Barbara: She  still be sitting there waiting for us.

13. Ingrid received a scholarship to Yale University which will cover 100% of the tuition. She  worry at all about the increasing cost of education.

14. When I was a child my grandmother was continually correcting our manners. She always used to say, "One  eat with one's mouth open." Or, she would correct us by saying, "One  rest one's elbows on the table." And every time I wanted to leave the table, she would say, "One  ask to be excused."

15. I've redone this math problem at least twenty times, but my answer is wrong according to the answer key. The answer in the book  be wrong!