Scientists have found only 2 substances in the whole universe. What are they?
A. Matter and Air
B. Oxygen and Mass
C. Matter and Energy
Look, See or Watch Conditional Sentence Type 0, 1, 2, 3 Run-on Sentences Compound AdjectivesPhrases and ClausesConditional ClauseSimple PastTAG QuestionsPossessive Nouns
Other quiz: Grammar
I have worked here _____ five years.
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