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^^Must/ Have to^^
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I _____________ forget to call my mom on her birthday.
Must not/ Musn't
Oops!
Okay!
They ________ clean the house today, we can do it tomorrow.
don't have to
Oops!
Okay!
We ________ study for the exam next week.
Must
Oops!
Okay!
The doctor said that I _____________ exercise regularly to stay healthy.
must
Oops!
Okay!
You ________ wear a helmet while riding a bike.
Must
Oops!
Okay!
We ________ be quiet during the movie.
must
Oops!
Okay!
You ________ talk with your mouth full. It's bad manners.
Must not/ Musn't
Oops!
Okay!
Joel _________ go to work tomorrow. It's a national holiday.
doesn't have to
Oops!
Okay!
She ________ go to bed early because she has an early class tomorrow.
must
Oops!
Okay!
They ________ be at the airport by 7 am tomorrow. Their flight leaves at 11 am.
don't have to
Oops!
Okay!
They ____________ attend the party if they don't want to.
don't have to
Oops!
Okay!
You ________ eat a lot of junk food if you want to be healthy.
must not/musn't
Oops!
Okay!
We _________ study for the test because it's been cancelled.
don't have to
Oops!
Okay!
We ________ be on time for the meeting. Our boss gets angry when people get late.
must
Oops!
Okay!
I _____ study for my exams this weekend. The contents are very difficult and I need to pass it.
must
Oops!
Okay!
He ________ forget his passport when he travels abroad.
must not / mustn't
Oops!
Okay!
I ____________ wake up early tomorrow. It's Sunday.
don't have to
Oops!
Okay!
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