[ Grammar ]
Which sentence uses the correct article?
A. A sun is a star at the center of a solar system.
B. An sun is a star at the center of a solar system.
C. The sun is a star at the center of a solar system.
Select your answer:

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Gerunds and InfinitivesPrepositions & Modal Verbsas...as, comparatives, superlativesSimple Present & Present ProgressiveVerb, Object, PrepositionGrammar: is/are/was/werePresent Simple and Modal VerbsGerund and InfinitiveSimple Past Tense and Present Continuous TenseGrammar - may/might/couldOther quiz:
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