[ 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:
Simple Tenses in English › ViewPast of read
A. read
B. readed
C. readen
Phrase or Clause › View
Frankenstein was a pretty cool dude, bro.
A. Phrase
B. Dependent Clause
C. Independent Clause
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
