[ Grammar ]
An increase in the price of petroleum maybe induce consumers to install additional energy-saving devices in their homes. Which one is incorrect word/phrase?
A. An
B. maybe
C. energy-saving
D. their

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Noun Phrases and AdverbialsConditional ClauseSimple Present TenseAuxiliary WordsParticiple AdjectivesGrammar and IdiomsPresent simple, Present continuous, Singular, PluralComperative and SuperlativeGrammar and PunctuationConditional Sentences and Verb FormOther quiz:
Grammar › ViewAntonio Gaudi, the architect of Barcelona’s Holy Family Church, died before seeing ………… of the structure.
A. a completion
B. the completion
C. completion
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Last year, Spanish _____ by Mr. Sanchez.
A. taught
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We bought ___ comb for styling hair.
A. a
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C. an
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