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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1277

Some people hold the view that the new machine is advanced, while others are still skeptical _____ whether it is of practical use.

A.with B.about C.for D.on
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Somepeopleholdtheviewthatthene