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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1989

—Why is the house in a mess?
—I         it for Christmas since three days ago.

A.cleaned B.cleans
C.have cleaned D.have been cleaning
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—Whyisthehouseinamess?—IitforC