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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 815

I kept looking at the man, wondering _______.

A.whether I have seen him before B.whether I had seen him before
C.that I had seen him before D.when I saw him before
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Ikeptlookingattheman,wondering