[ Present Perfect Tense ]
He started to work in the office at 8 o’clock. It’s now 12 o’clock and he just stopped it. It means that he …. for four hours.
A. has worked
B. worked
C. has been working
D. is working

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Simple Past Tense & Future TenseFigurative LanguageRelative ClauseShould and Shouldn'tUnscramble SentenceTenses and QuestionsStative Verbs and TensesNoun PhraseTOEIC Grammar and Vocabulary ReviewAdjectives and comparisonsOther quiz:
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