[ Vocabulary ]
measurement of what is produced and what is required to produce it
A. free trade
B. productivity
C. culture
D. market economy

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Grammar › ViewWhat is an adverb?
A. describes or modifies a verb
B. describes or modifies a noun
C. describes or modifies a verb or an adjective
D. describes or modifies a verb, adjective, or another adverb
Grammar › View
. If she had studied more, she __________ the test.
A. would have passed
B. passes
C. would pass
D. had passed
E. passed