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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
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        ?
—She is singing.

A.Where is your sister
B.What is your sister doing
C.What does your sister do
D.Where is your sister singing
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相关知识点

—?—Sheissinging.A.Whereisyours