Must / Have to

Little children ___ sleep a lot.

• must

• have to

• has to

Arina's dog ___ bark late at night.

• has to

• must

• have to

• mustn't

You ___ listen carefully to your teacher.

• have to

• must

• mustn't

• doesn't have to

I ___ phone my mother when I get home. Or else she'll be worried.

• must

• mustn't

• have to

• don't have to

___ Don ___ wear a hat already? – Sure! It's really cold outside.

• Do / have to

• Does / have to

• Do / has to

• Must / –

Arina's cats ___ eat and play in the evening or they'll have troubles sleeping.

• mustn't

• must

• has to

• have to

Kathy ___ open the door to the strangers.

• has to

• mustn't

• have to

• must

___ arrive at the concert at 6 sharp?

• Must I

• Do I have to

• Have I to

• Do I must

We ___ clean up the mess after cooking. So our mother'll have a rest.

• must

• don't have to

• mustn't

• have to

They ___ apologise because it's not their fault at all.

• mustn't

• don't have to

• must

• have to