Complete each sentence by choosing the correct modal verb.Complete each sentence by choosing the correct modal verb.
In the exam, just do the best you ( ought to / might / can ) . He’s late. She ( can’t / won’t / mustn’t ) have told him the right time to meet. It would be a good idea if you ( could / would / should ) take a year off before you go to university. Don’t worry. I know it’s confidential. I ( couldn’t / shan’t / mustn’t ) tell anyone. ( Should / Can / Must ) you turn the music down? I’m working! You’re too lazy — you ( must / may / might ) do some more work for your exam. We knew he ( would / ought to / will ) be angry if we didn’t finish the work. He annoys me — he ( will / must / can ) insist on phoning at dinner time! I’m doing it now — I ( can / must / will ) have finished by 6 this evening. I ( could / must / would ) prefer to stay in than go out tonight.