Modal Verbs

I feel so tired. It _____ be very late.

• can

• must

• should

• mustn't

Earthquakes _____ happen at any time.

• must

• could

• should

• needn't

The interview is over. You _____ leave now.

• must

• can't

• should

• may

You _____ have told me that my skirt was split!

• must

• can

• needn't

• might

Sorry I'm late, but I _____ call in at the supermarket on the way.

• must

• had to

• needed

• was to

Don't be silly! That _____ possibly be Madonna!

• mustn't

• shouldn't

• mightn't

• can't