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Must - Mustn't - Have to - Don't have to
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You _____ be 16 years old to vote in a general election. It's the law.
HAVE TO/MUST
Oops!
Okay!
We _____ wear a tie and suit at work. We can wear a T-shirt and jeans.
DON'T HAVE TO
Oops!
Okay!
You ______ cycle in bus lanes.
MUSN'T
Oops!
Okay!
You ______ wear seatbelts in the car.
HAVE TO/MUST
Oops!
Okay!
You _____ pass the two tests to pass the subject.
HAVE TO/MUST
Oops!
Okay!
The rules say that you ______ book a room beforehand.
HAVE TO/MUST
Oops!
Okay!
You _____ be 18 to buy alcohol.
HAVE TO/MUST
Oops!
Okay!
You ____ play loud music in your house after 9.00 p.m. or the police can come.
MUSTN'T
Oops!
Okay!
She ______ go to school tomorrow. It's a public holiday.
DOESN'T HAVE TO
Oops!
Okay!
I ______ call my sister, I haven't talked to hear for ages.
HAVE TO/MUST
Oops!
Okay!
In some countries, everybody _____ do six months military service. It's compulsory.
HAS TO/MUST
Oops!
Okay!
You ______ pay to use the showers. They are included in the price.
DON'T HAVE TO
Oops!
Okay!
My mom _______ work Mon-Fri from 9 to 5.
HAS TO/MUST
Oops!
Okay!
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