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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 127

– You look very tired this morning. What did you do last afternoon?
-- I did _______ Christmas shopping.

A.a number of B.a few of C.a lot of D.a piece of
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–Youlookverytiredthismorning.W