1. __________ you shut the door, please?
Can / Could / Will
Must / Can / Should
May / Shall / Can
2. You ________ smoke. (critic)
might not / could not
shouldn't / oughtn't to
may not / might not
3. I'm sure you wil __________ do it. You are an expert!
must
can
be able to
4. You _________ speak in the library. It's not allowed.
can't / mustn't
can / must
mightn't / oughtn't
5. _________ I say something, sir?
Can / Must
May / Should
May / Might
6. You _________ drive more slowly.
should / ought to
can / may
could / might
7. My father ________ play rugby when he was young.
may
might
could
8. Take an umbrella. It _______ rain.
may / might
must / has to
9. You ________ wear a suit. It's an informal celebration.
needn't / don't have to
mustn't / shouldn't
10. ________ we go out? It's a nice day!
May
Should
Shall
11. ________ you play the guitar? Yes, I know how to do it.
Can
Must
Know
