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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1913

—Hi,Joan.Any idea where Tom is?
—He ________ on the playground.I saw him there playing football just now.

A.shall be B.should have been
C.must be D.might have been
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—Hi,Joan.AnyideawhereTomis?—He