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  • 更新 2022-09-04
  • 科目 英语
  • 题型 选择题
  • 难度 中等
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Had the governments and scientists not worked together,AIDS﹣related deaths _______ since their highest in 2005.(  )

A.

had not fallen

B.

would not fall

C.

did not fall

D.

would not have fallen

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Hadthegovernmentsandscientists