I think we ........................ go now. It's late.
have to
must
should
I ................ wear a uniform when I was at school.
had to
have to
must
You ............ park here. It's an emergency exit.
mustn't
must
shouldn't
I think people ............... recycle more paper and glass.
must
should
have to
The museum is free. You ......................... have to pay.
mustn't
don't have to
shouldn't
If you can't sleep, you .................. drink coffee before you go to bed.
shouldn't
mustn't
don't have
Mark's a salesman. He ............... travel a lot.
have to
must
has to
You ...................... brush your dog's hair regularly.
should to
have to
must
Do you ...................... wear a tie for school?
has to
have to
must
Passengers .................. fasten their seat belts.
have to
must
should
You ___________ put your phone into flight mode when you fly.
should
must
must to
have to
He works in a call-centre and he sometimes ______ work at night.
has to
must
should
shouldn't
I __________ get up really early yesterday. I had a meeting at 8.00.
have to
should
had to
must
