[ Vocabulary ]
What does the word “efficient” mean?
A. Being effective without wasting time, effort, or expense
B. Being slow and careful
C. Being expensive and time-consuming
D. Being ineffective and wasteful
Random Topics:
Active & Passive Voice-ed/-ing AdjectivesCoordinating ConjunctionModals of ProhibitionPast Continues TensePast Simple TensesModals of ObligationPreposition on TimeTenses & PassiveSynonym and AntonymOther quiz:
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