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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1093

According to a new survey carried out by an American university, learning______ second language can result in_______ increase in the power to learn your native tongue.

A.a; the B.不填; the C.a; an D.the; an
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Accordingtoanewsurveycarriedou