I think we ........................ go now. It's late.
must
should
have to
I ................ wear a uniform when I was at school.
have to
must
had to
You ............ park here. It's an emergency exit.
don't have to
shouldn't
mustn't
I think people ............... recycle more paper and glass.
must
have to
should
The museum is free. You ......................... have to pay.
don't have to
shouldn't
mustn'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.
must
has to
have to
Do you ...................... wear a tie for school?
have to
must
has to
Passengers .................. fasten their seat belts.
have to
should
You ___________ put your phone into flight mode when you fly.
should
have to
He works in a call-centre and he sometimes ______ work at night.
must
should
has to
I __________ get up really early yesterday. I had a meeting at 8.00.
had to
must
should
I think you ________ see a doctor, you look really sick.
should
must
have to
You ____________ try reading a book in English, you might enjoy it.
must
have to
should
