【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(xué)家認(rèn)為制造像人一樣的機(jī)器人跟我們做一樣的事有可能花費(fèi)數(shù)百年時(shí)間。在hundred前面有具體數(shù)詞時(shí)，不用復(fù)數(shù)，不連用of，但前面沒有具體數(shù)詞時(shí)即表示概數(shù)時(shí)，必須使用復(fù)數(shù)形式并連用of，所以選A。

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