[ Vocabulary & Grammar ]
The rivers in this area are seriously polluted ____________ harmful waste from factories.
A. such as
B. because
C. because of
D. except for

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Relative ClausesPresent Perfect Continuous TenseHas and HaveVerbs: Action, Linking, and HelpingSubject Verb Agreement; Indefinite PronounsComparative and Superlative AdverbsTenses and Time MarkersComparisonAdverb of FrequencyVerb Tenses (Progressive, Perfect)Other quiz:
Positive and Negative Connotations › ViewIdentify the word(s) that have a negative connotation.
Bedford is a gritty neighborhood, but the rent is affordable.
A. gritty
B. neighborhood
C. rent
D. affordable
Grammar › View
forms of mass communication, including radio, television, and video
A. data breach
B. electronic communication
C. letters
D. brochures