[ Vocabulary ]
The most desirable alternative given up as the result of a decision
A. Marginal
B. Efficiency
C. Opportunity cost
Select your answer:
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Phrasal verbs and Prepositional PhrasesLinking Words and PhrasesTenses and StructureQuestion TagsPresent Simple vs Past SimplePast Simple VerbsNoun ClauseFuture Tense (will/be going to/p.continuous)Adjective & AdverbsOther quiz:
Grammar › ViewWhich sentence is written correctly?
A. Wait Mary could not to get to school.
B. Get to school Mary could not wait.
C. To school Mary could not wait to get.
D. Mary could not wait to get to school.
Grammar › View
Complete this sentence.
” He will not come ___ you don’t ask him ”
A. Before
B. If
C. Unless
D. So that