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Must/have to
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Your parents told you to clean your room before going out with friends.
have to
Oops!
Okay!
You want to have bright and white teeth, so you brush your teeth more.
must
Oops!
Okay!
I have an important appointment with customer, so I _____ leave now.
must
Oops!
Okay!
You ___ wear a helmet when you ride a motorbike.
have to
Oops!
Okay!
The government wants you to pay taxes.
have to
Oops!
Okay!
I _____ study hard to become a doctor.
must
Oops!
Okay!
You don't want to do exercise, but the doctor tells you to do.
have to
Oops!
Okay!
You _____ stop when it turns to red light.
have to
Oops!
Okay!
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