For more than two centuries, Washington ______the site of political demonstratio

游客2025-02-04 10

问题 For more than two centuries, Washington ______the site of political demonstrations.

选项 A、is
B、were
C、have been
D、has been

答案 D

解析 The singular subject Washington needs a singular verb: has been. The present perfect tense fits with the time marker for more than two centuries.

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Formorethantwocenturies,Washington______thesiteofpoliticaldemonstratio