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 › ViewI can’t … how to solve this problem. … you … me with it?
A. figured out, will … help
B. figures out, will help
C. figure out, will … help
D. figure out, won’t … help
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Which sentence uses the word “absence” correctly?
A. When you are absence from school, you should find out what you missed.
B. Celia has some work to make up due to her absence yesterday.
C. My teacher marks me as “absence” if I get to class five or more minutes late.
D. Because it is an absence day, I do not have to go to school.
Grammar › ViewI _____ to the USA.
A. ’ve never been
B. am never been
C. was never
D. never
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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
