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 Somescientiststhinkthatitmaytake

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 Somescientiststhinkthatitmaytake

 Some scientists think that it may take ____________ years to make robots look like people, and do the same things as us.

      A. hundred of   B. two hundreds of  C. hundreds of  D. two hundred of

 

【回答】

C

知识点:数词

题型:选择题

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