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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:433

Today, after more than 50 years of development, the College of Europe has not only served as ______ important think tank for the European Union but also become_____cradle of political elites of Europe.

A.an, the B.the;an C.the, the D.an;/
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Today,aftermorethan50yearsofde