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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
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—What are they up to?It’s so noisy.
—Some students________a party.

A.have had  B.are having
C.had had  D.were having
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—Whataretheyupto?It’ssonoisy.—