Passengers _______ fasten their seatbelts before takeoff. Those who refuse ...

★ Modals of Obligation

Passengers _______ fasten their seatbelts before takeoff. Those who refuse to comply will be escorted out of the plane.

A. might

B. should

C. can

D. must

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Participants _______ bring their own laptops to the workshop. Since the compony will not be providing any technological devices.

A. don’t need to

B. need to

C. can

D. can’t