[ Adverb Clause ]
__________ the lecture ends, you are free to leave the classroom.
A. If
B. After
C. Although
D. Before

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Unscramble SentenceGrammar & VocabularyBecause / soAdverbs and Time ExpressionsZero & First ContidionalGrammar (was, were, could, could not)Time ClausePast Tense vs Present TenseAdjective, Adverb, and Noun FormsGerund or InfinitivesOther quiz:
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