[ Tenses ]
By the time I arrived, they ______ (already/leave).
A. Had already left
B. Already left

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Subject Verb Agreement and Coordinating ConjunctionsPresent Simple QuestionsRoot WordClausesPast ParticiplesGender and GrammarFirst Conditional & Future TensesModals of PredictionConditional Sentences Type 1Active and Passive voiceOther quiz:
Homophones › View(Whether/Weather) or not you get good grades is up to you.
A. Whether
B. Weather
Prepositions › View
There was a large greasy spot __________the mirror.
A. In
B. On
C. At