[ Grammar and Vocabulary ]
John climbed up a _______________ of stairs as the lift was not working.
A. flight
B. stack
C. bunch
D. cluster

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Conjunctions, Interjections and DeterminersPresent, Past, and Future TimePerfect Progressive TensesTOEIC Grammar and Vocabulary ReviewSimple Present Tense/be/Present ProgessiveSimple present/ past/ future tenseFirst ConditionalsSimple and Past TensesTenses and Figurative LanguageConjunctions and Sequence ConnectorsOther quiz:
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. What is the past participle of ‘eat’?
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