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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:2183

How long do you suppose ______ we applied for the job ________ we had been trained .

A.has it been since ; for which B.is it before ; in which
C.it is when ; that D.it is since ; for which
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Howlongdoyousupposeweappliedfo