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  • 科目:英语
  • 题型:单选题
  • 难度:中等
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It just isn't fair ________ I was working as a cleaner last month; my friends were on a visit to Dalian.( 2012·湖北八校联考)

A.whenever B.though
C.for D.while
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ItjustisntfairIwasworkingasacl