I'd rather/prefer; let/allow; must/can't be.

The teacher ___ me go home.

Driver's ____ stop at the red lights.

I don't believe it. It ___ be true.

You have just finished an exam. You ___ be tired.

I can hear a voice. Somebody ___ be there.

Did youe dad ___ you go to the club?

Are the pupils ____ to run inside the building?

I prefer summer ___ the winter.

I'd ___ have chips than rice.

I'm not ___ to go shopping.

I ___ swimming to dancing.

Kelly hasn't eaten her salad. She ___ be hungry.