[ Modal Verbs ]
Students … eat inside the classroom.
A. can
B. must
C. mustn’t
D. should

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Conjunctions and PrepositionQuestion Tags in Verb TensesPerfect and Past TensesSimple Past TenseGerund and InfinitiveGrammar on Conditionalsas...as, comparatives, superlativesPossessive Adjectives & Possessive PronounsSuch...that, so ......thatSimple Past TensesOther quiz:
Advice vs. Advise › ViewShe’s … that broccoli be placed in a plastic bad and stored in the refrigerator.
(a) advice
(b) advising
Perfect Modals › View
They _______ finished the project by now.
A. Might have
B. Should have
C. Could have
D. Must have