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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1620

Tim’s brown hair, dark glasses and the manner of walking alarmed the guards. That’s why he ______ closely.

A.has watched B.was watched C.had watched D.was watching
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Tim’sbrownhair,darkglassesandt