★ Modals of Obligation
When taking a test, we _________ cheat. It is prohibited! You can fail the class.
A. mustn’t
B. don’t have to
C. must
D. have to
Preview next quiz:
Complete the sentence with the correct option.
You ______bring your passport or you can’t board the plane.
A. should
B. have to
C. can
D. don’t have to
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