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:
         


Random Topics:
Participle & Appositive Pronoun CasesZero ConditionalAdjectives and PrepositionsVerbs & Phrasal VerbsWH Questions and Simple Past TensePresent Simple and Present Continuous TensesConjunctive AdverbsModal

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How to use : Read the question carefully, then select one of the answers button.