[ Modal Verbs ]
People _________ enter this cave and explore if they like.
A. can
B. could
Select your answer:

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Prepositions and ArticlesModals, Phrasal Verbs, Gerunds and InfinitivesPhrasal Verb Put & GoPreference & Future TenseDirect Object and Indirect ObjectRoot WordIntermediate GrammarPast, Present, FuturePast and Present TensesAdjectives & QuantifiersOther quiz:
Sentence or Sentence Fragment › ViewIt was on the shelf in the closet.
A. Sentence
B. Fragment
Causative Verbs › View
I encouraged him ___ the test again.
A. to take
B. take
C. taking
