Grammar Quiz
[ Vocabulary ]

The most desirable alternative given up as the result of a decision

A. Marginal
B. Efficiency
C. Opportunity cost

Select your answer:
A  B  C  D  E 


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So / Neither / Either / TooUsed to - Would - TensesPersonal Pronouns and VerbEnglish ArticlePronouns, Sentence Structure, and Figurative LanguagePast SimplePast ParticiplesModals and PrepositionGrammarPresent Progressive Tense

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