Water pollution is a result of dumping pollutants such as detergents, pesticides, oil, and other chemicals in rivers, which makes the water unclean.
A. substances
B. stuffs
C. contaminants
D. wastes

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Expressing Obligation and ModalsFuture Perfect vs Future ContinuousTenses and ArticlesGender and GrammarAdverb & Compound SentencesAdjectives & PrepositionsModal and Auxiliary VerbsModal Verbs & Time PrepositionsIf/Unless - Conditional type 1Unscramble SentenceOther quiz:
Grammar › ViewChoose the sentence with the correct punctuation.
A. These are the twin brothers shirts and trousers.
B. These are the twin brothers’ shirts and trousers.
C. These are the twin brother’s shirts and trousers.
D. These are the twin brothers’ shirt’s and trousers.
Countable and Uncountable Nouns › View
honesty
A. countable
B. uncountable
Grammar › ViewI _____ to the USA.
A. ’ve never been
B. am never been
C. was never
D. never
Grammar › View
My brother ______ ______ books yesterday and ______ his right shoulder.
A. carries / too many / hurts
B. carry / too much / hurt
C. carried / too many / hurt
D. carried / enough / hurting
