[ 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:
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We went inside the store.
A. inside
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C. the
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I wish I ___ studied harder!
A. Had
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Grammar › ViewI’m going to call the restaurant ___ book a table.
A. in order that
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We bought ___ comb for styling hair.
A. a
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D. ∅