[ Vocabulary ]
Have you studied the _____ of the chemicals?
A. composition
B. analogy
C. characteristic
D. descend

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Simple Present - Negative & InterrogativeGerund, Infinitive & ModalsGerund, Infinitive, Bare VerbPast Tense (Regular and Irregular)Poetry VocabularySimple Present vs Present ProgresiveSimple PastPast Perfect Simple & Past Perfect ContinuousFigure of SpeechPronouns ( Interrogative )Other quiz:
Verb to be › ViewI…sorry. I lost your pencil.
A. am
B. is
C. are
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I didn’t win the contest.
A. Correct
B. Incorrect
Grammar › View__________ you promise not to tell lies again, l won’t forgive you.
A. If
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C. Unless
Tenses › View
If we burn paper, it ______ ash.
A. become
B. becomes
C. became
D. is became
