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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:972

We live day by day,but in the great things,the time of days and weeks_______so small that a day is unimportant.

A.is B.are
C.has been D.have been
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Welivedaybyday,butinthegreatth