Grammar Quiz

[ Grammar ]

Air composed of various gases including hydrogen, oxygen, and carbon dioxide. Which one is incorrect word/phrase?
A. Air
B. composed
C. various
D. and

Select your answer:
         


Random Topics:
Preposition and ConjunctionFuture Tense1st ConditionalPassive Voice - Past SimpleArticles & Compound NounsGrammar and PunctuationTransition WordsRegular and Irregular AdverbNoun, Quantifiers and Suffixes

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