Topics: Modal Verbs
It’s forbidden to enter the lab without safety gear. → You __________ enter the lab without safety gear.
A. mustn’t
B. had to
C. should
D. have to
Select your answer:

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Indefinite and Intensive NounVocabulary : Coming & GoingPast or Present Verb TensePhrases and ClausesTenses StructureIf ClausesComparatives, Superlatives & EquativesParticiple - ing/ edVerb Forms and PrepositionsTenses and VerbsOther quiz:
Grammar › ViewAlmost every ambitious young man and woman eventually ______________ to admit defeat.
A. has
B. have
A/An › View
Quito has _____airport
A. an
B. a
