[ Vocabulary ]
a substance that enters into and is altered in the course of a chemical reaction
A. solute
B. solution
C. product
D. reactant

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Conjunctions - ConnectorsPresent Simple & Present ContinuousNouns FormationFamily VocabularyArticles - rulesModal Auxiliary VerbsTenses of VerbsAdjective & AdverbGrammar - must & have toSo / Neither / Either / TooOther quiz:
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The children__________ their parents for a long time.
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My big brother ________ a motorcycle.
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