题目内容

His best friend, a famous ________, had 1,039 ________ during his lifetime.


  1. A.
    invented; inventions
  2. B.
    invention; inventing
  3. C.
    inventor; inventions
  4. D.
    inventor; invention
C
前一问要求填入“发明家”,后面的一问要求填入“发明的产品”,同时要注意使用复数形式.
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