[ Vocabulary ]
A singer who has the highest singing voice is a _____.
A. soprano
B. conspicuous
C. marshal
D. restriction
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Transition WordsCoordinating ConjunctionsFOR & SINCENoun, Verb, AdjectiveModal Verbs of Certainty and PossibilityTenses and PronounsPersonificationAdjective & AdverbVocabulary and DefinitionsWorld Literature VocabularyOther quiz:
Grammar › ViewWhy _______ you like traveling?
A. does
B. is
C. do
D. are
Passive Voice › View
Since the 1970s, computers ________ at a low enough cost to allow individuals to own a personal computer.
A. will be produced
B. have been produced
C. are produced
D. were produced