[ 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:
Modal Perfect › ViewMy car stopped on the high way. It _____ out of gas
A. may run
B. may have run
C. must be
D. should have run
Grammar › View
… speed limit is 70 miles per hour on the motorway.
A. This
B. The
C. A
Grammar › ViewYou _________ drive on the left in England.
A. Must
B. Should
Grammar › View
That answer is not ____ right.
A. quiet
B. quite
