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

Random Topics:
Subject Verb Agreement and Coordinating ConjunctionsPresent Simple QuestionsRoot WordClausesPast ParticiplesGender and GrammarFirst Conditional & Future TensesModals of PredictionConditional Sentences Type 1Active and Passive voiceOther quiz:
Grammar › ViewI didn’t ________ (swim) in the ocean yesterday.
A. swim
B. swam
C. will swim
D. swimming
Tenses › View
…… in this subject since 2015.
A. I’ve studied
B. I studied
C. I study
D. I am studying
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