[ Grammar & Vocabulary ]
He won if he had tried harder.
A. could
B. could of
C. could have
D. could had

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Preposition FormPrepositions of Timeas...as, comparatives, superlativesLet & Be allowed toArticle and Order of AdjctiveImperative SentencesPhrasal Verb With TakePrepositional PhrasesComparison of Adjectives and AdverbsClause Markers TOEFL GrammarOther quiz:
Grammar › ViewIdentify the pronoun: They announced the winner of the class election at assembly.
A. the
B. winner
C. they
D. of
Grammar › View
Take your umbrella _________ it rains.
A. because
B. in case
C. unless
