[ Grammar ]
Choose the correct article: I saw (a, an) elephant at the zoo.
A. an
B. some
C. one
D. the

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Second ConditionalsTransitive or Intransitive VerbsFuture Perfect vs Future ContinuousPresent Perfect: for/sinceActive Voice-Present tenseEssential and Nonessential ClausesOn, At, ByNoun QuantifiersComparative AdjectiveGrammar PhrasesOther quiz:
Idioms › ViewThis is a great meal. I can’t believe you made it.
a. vulgar
b. vicious
c. volcanic
Relative Pronouns and Adverbs › View
The family whose house is new is happy.
A. happy
B. new
C. whose
D. family