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Have to / Don't Have to / Must / Mustn't
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In Cambodia, people ____________ (drive) on the right.
have to drive
Oops!
Okay!
You ________ (wear) helmet when you drive your motorbike.
have to wear
Oops!
Okay!
Why _________ I __________ (finish) this homework?
Do I have to finish / Must I finish
Oops!
Okay!
I _____________ (pay) the bank back the money that they lent me.
have to pay
Oops!
Okay!
The museum is free. You ___________ (pay).
don't have to pay
Oops!
Okay!
You ________________ (cross) the road when the walking traffic light is red.
mustn't cross
Oops!
Okay!
I ________ (meet) my professor for my late assignment.
must meet / have to meet
Oops!
Okay!
You ___________ (buy) the ticket before you enter the train. If not, police will ask you.
have to buy
Oops!
Okay!
You ______________ (be) tall to be good at football.
don't have to be
Oops!
Okay!
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