Modal Verbs

*// Click the most appropriate modal verb to fill in the blank:

1. I am sure, they [ will / can / ought to ] appreciate the contribution.

    

2. It’s such a cloudy day! It [ must / may / can ] rain this evening.

    

3. It was so foggy that we [ might not / could not / ought not to ] see each other.

    

4. You [ should / have to / can ] leave your cell phones at the reception desk. It’s the rules here.

    

5. They [ must / would / may ] put off the meeting again. I’m not quite sure.

    

6. I guess, you [ will / would / 'd better ] apologize before it is too late.

    

7. If I were you, I [ will / would / must ] choose the one in the middle.

    

8. Stop eating junk food, otherwise you [ will / can / should ] get sick.

    

9. They [ won't / can't / needn't ] worry about casual mistakes.

    

10. You [ must / have to / should ] pay those bills soon lest you [ must / have to / should ] run into trouble.