[ A(n), the, no article ]
If you go to ___ post office, could you bring me ___ envelope?
A. a / an
B. the / an
C. – / the

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TOEFL Adjective and AdverbAuxiliary and Modal VerbsTransitional WordsActive and Passive Gerunds and InfinitivesGrammar - Wh QuestionsGrammar Error Correction (Simple Present Tense)Apostrophes and GrammarGrammar - could / could notTenseVerbs & AdverbsOther quiz:
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A. so
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She’s the ______________ person I know.
A. Nicest
B. Nicer
