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

A. hundreds of

B. two hundreds of

C. two hundreds

【答案】A

【解析】試題分析：句意：一些科學家認為制造像人一樣的機器人跟我們做一樣的事有可能花費數(shù)百年時間。在hundred前面有具體數(shù)詞時，不用復數(shù)，不連用of，但前面沒有具體數(shù)詞時即表示概數(shù)時，必須使用復數(shù)形式并連用of，所以選A。

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