[ Grammar ]
______ continuously for 12 hours, Tom felt tired and sleepy.
A. worked
B. Having worked
C. Having been worked
D. Working
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Constrative ConjunctionGrammar Past and Future TensePrepositionHomophone & HomonymEmployment VocabularyFuture Simple TensesConditionals Type ISentence StructureModal "Have to"Grammar - some / anyOther quiz:
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