Topics: Tenses Usage
Before the policy was enacted, many factories _____ untreated waste into rivers.
A. dumps
B. dumped
C. had dumped
D. dumping
Select your answer:
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Past ParticiplesSuperlative & Comparative AdverbsPast PassiveVocabulary Spelling GrammarAdverbial Clause / If / ComparativesSubject Verb Agreement; Indefinite PronounsSimple Past Tense and Past Perfect TenseFirst and Second ConditionalObject PronounGrammar and EssayOther quiz:
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A. by
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C. among
D. between
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The project ____ we worked on together was a huge success.
A. which
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