[ Modal Verbs ]
According to the rules, participants _____ wear appropriate attire during the event.
A. can
B. may
C. must
D. should

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Prepositions › ViewThe job is similar ___________ my old one.
A. as
B. at
C. to
D. with
Vocabulary › View
__________ with stress during the pandemic has been difficult for everyone, so it is important that we support and understand each other.
A. Barrier
B. Extensive
C. Foundation
D. Coping