These statistics ____________________ ( not -revise ) since 1997. These statistics were not revised since 1997.
A. These statistics are not revised since 1997.
B. These statistics were not revised since 1997.
C. These statistics have not been revised since 1997.
Adverb of Manner Polite RequestEveryone vs. Every OneFuture TenseSimple Past TenseGrammar speak,talk,say,tellPronouns and AntecedentsHave vs. HasPresent Perfect vs Past Simple
Other quiz: Grammar
Don Quixote could not believe the building was just a shack.
A. could not
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