[ Grammar ]
In the zoo notice , visitors . . . . . . . . . .. feed the animals .
A. needn’t
B. mustn’t
C. can
D. may

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Verb + PrepositionPresent Continuous TenseDefinite pronouns (Subject, Object, Reflexive)Be used to vs used toFuture Tenses and ModalsPerfect Verb TensesPresent Continuous, Present Perfect and Used toWish, Unless, If sentencePast Simple and Past Continuous TensesAspect or tenses of VerbsOther quiz:
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A. a
B. an
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Marinate the steak and _____ put it in the refrigerator overnight.
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