[ Narrative Tenses ]
He ______ for an hour before he realized it was time to leave.
A. worked
B. was working
C. had been working

Random Topics:
Simple Compound and Complex SentencesClausesModals of ProbabilityNoun Phrases and Verb PhrasesPresent Perfect Simple & Present Perfect ContinuousAdjective Clause and Adverb ClauseFragment, Comma Splice and Run -on SentencePronouns and AdverbsGrammar of Future PlansTenses, Tag Questions, Phrasal VerbsOther quiz:
Grammar › ViewThe window ______open yesterday evening and a bird ______ into the room.
A. was/fly
B. was/flew
C. is/flew
D. was/flies
Grammar › View
……………………..the train station near here?
A. Are
B. Is
C. Am
D. Be
You _________ drive on the left in England.
A. Must
B. Should
Grammar › View
That answer is not ____ right.
A. quiet
B. quite
