[ Narrative Tenses ]
He ______ for an hour before he realized it was time to leave.
A. worked
B. was working
C. had been working
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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 › ViewYou _________ drive on the left in England.
A. Must
B. Should
Grammar › View
That answer is not ____ right.
A. quiet
B. quite