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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:138

Celebrating Valentine’s Day came into __________ fashion many years ago in China, and flower shops can sell dozens of roses __________.

A.a; at a time B./; at a time
C./; at one time D.the; at times
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CelebratingValentine’sDaycamei