[ Modal Verbs ]
What modal verb is used to express the necessity of dressing appropriately according to the dress code?
A. could
B. would
C. must
D. may

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Subject Verb Agreement › ViewThe supreme god and protector of the universe (watch, watches) in awe.
A. watch
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Grammar & Vocabulary › View
Jimmy can go out when he ____ for the exam.
A. has been studying
B. has been studied
C. has studied
D. studied