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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2000

When deeply absorbed in work, ___he often was, he would forget all about eating or sleeping.

A.that
B.which
C.where
D.when
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Whendeeplyabsorbedinwork,heoft