[ Vocabulary ]
What word describes something that is “changing frequently”?
A. Enterprise
B. Essential
C. Fluctuating
D. Function

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Present Simple Positive and NegativeConditional TensesHow many / How much - Is there / Are thereModals and InversionToo or EnoughVocabulary, Adjective & PrepositionPresent Perfect: for/sinceTime Clauses of FutureTime ConjunctionsRequest with Modal VerbsOther quiz:
Tenses › ViewWhat is an alibi?
A. An excuse or proof that someone was elsewhere when a crime happened
B. A type of musical instrument
C. A legal term for a guilty verdict
D. A method of solving difficult math problems
Verbs › View
It _______ a great party.
A. Were
B. am
C. are
D. was