Do you think I _________ buy a new shirt? This one is very old.
should
It was raining. That’s why they _________ play football in the street, __________?
couldn't - could they
She __________ do more sports to lose weight, ___________?
should - shouldn't she
You should read 20 minutes every night, _________?
shouldn't you
Students have to walk in the corridors, _________?
don't they
Teachers ____________ work at weekends.
don't have to
At school, you __________ listen to your teacher.
have to / must
Students _________ study in the library during the day if they want to.
can
You _________ go out every night if you have so much homework to do.
a- shouldn't b- should
Fred ______________ have to wait very long at the doctor’s yesterday.
didn't
You __________ pay to get into this museum, _____________? It’s free.
don't have to - do you
I can’t reach my bag. _______ you help me find my books?
Can
He ___________ (have to) write a long essay last night, __________?
had to - didn't he
It was not necessary to wait here last night. You _________ go home and have a rest.
a- could b- can
You ___________ (not swim) here. There are sharks!
mustn't / can't
Passengers __________ show a boarding pass before they get on the plane.
have to / must
You _________ check in two hours before your flight.
have to / must
Burgers aren’t good for you. You ___________ eat less burgers.
should