[ Grammar ]
They would have passed their exams if they ___________.
A. studied harder
B. would study harder
C. had studied harder
D. hadn´t studied harder

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Progressive Tenses-ing / InfinitiveIELTS VocabularyRelative - ConditionalConditional TypesPresent Simple, Present Continuous or Present PerfectVocabulary Spelling GrammarPassive VoicesPast ParticipleUnderstanding Product Packaging and TensesOther quiz:
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A. Am work
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We never know what might have happened, … the email earlier
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