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