Paper-marking is ______ of ancient China

发布时间:2021-04-12 02:34:24

单项选择题:
Paper-marking is ______ of ancient China.
A. one of greatest inventor
B. one of the greatest inventors
C. one of greatest invention
D. one of the greatest inventions

网友回答

答案:D
  解析:考查形容词最高级。“one of+the+形容词最高级+名词复数”是固定搭配,意为“最……之一”,故答案为D。
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