Topics: Modals and Responsibilities
They ___ follow the safety guidelines.
A. must
B. need to
C. have to
D. responsible for
Select your answer:

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Gerunds, Infinitives and Modals of Possibility › ViewWe ___ go to the park tomorrow if the weather is nice.
A. must
B. may
C. should
D. can
Grammar › View
I am not sure but Hannah ________ come back tomorrow.
A. will
B. may
C. should
D. need to
