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20 questions
You .......... feed the animals in the zoo. It’s forbidden!
should
have to
mustn’t
must
You .......... do exercise every day. It’s good for your health.
have to
should
must
don’t have to
He .......... study harder, if he wants to pass the test.
has to
should
have to
can
You .......... eat fast food too much. It’s bad for your health.
must
can
have to
shouldn’t
She .......... wear uniform to school everyday.
have to
must
should
may
You .......... use mobile phone during the lesson in the classroom.
shouldn't
don't have to
mustn’t
can't
They ....... finish their homework before the dinner, because the deadline is at 7 PM
should
has to
must
have to
She ........... wear the jacket tonight. It’s very cold.
have to
should
must
may
This is a big secret. You ........... tell anyone about it.
shouldn't
mustn’t
don't have to
may not
You ........... speak politely and decent to your parents.
must
mustn’t
should
have to
Don't worry, you .......... do that. Good luck!
Can
May
Must
Should
Wow, you've worked for long hours! You ........ be tired
Should
Have to
May
Must
........ I ask a couple of questions? I don't understand it
Should
Must
Can
Might
It's too loud in here. I ........ hear what you're saying
May not
Shouldn't
Mustn't
Can't
She ........ buy something that she doesn't need.
Should
Shouldn't
Can't
Mustn't
Thanks a lot, you ....... do that. It's very kind of you.
don't have to
must
mustn't
can't
The visitors of the museum ........ buy the ticket before they go in
have to
can
should
must
I think I will buy that expensive bicycle. I ....... afford it with my salary
may
can
must
should
She ........ work after school to help her parents
should
must
has to
can
......... you watch the house while we're on holiday?
Shouldn't
Can
Must
Should
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