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obligation and prohibition: have to, must, shoul ...
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You ____________ eat too much junk food.
shouldn't
Oops!
Okay!
He ____________ forget to take his medicine.
mustn't
Oops!
Okay!
You ____________ apologise if you didn't do anything wrong.
don't have to
Oops!
Okay!
You ____________ come to the party if you don't want to.
don't have to
Oops!
Okay!
She ____________ talk during the movie.
mustn't
Oops!
Okay!
You ____________ smoke in this building.
mustn't
Oops!
Okay!
You ____________ wear a seatbelt when driving.
must
Oops!
Okay!
He ____________ attend all the training sessions.
has to
Oops!
Okay!
We ____________ call our parents regularly.
should
Oops!
Okay!
You ____________ be rude to anyone.
shouldn't
Oops!
Okay!
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