Some scientists think that it may take ______ years to make robots look like people, and do the same things as us.
A．hundreds ofB．two hundreds ofC．two hundredsD． hundreds
A

試題分析：句意：一些科學(xué)家認(rèn)為，可能需要數(shù)百年才能使機(jī)器人看起來像人一樣，并且和我們做同樣的事情。表示確切數(shù)字時(shí)，hundred不用復(fù)數(shù)形式，不和of連用。表示概數(shù)時(shí)，hundred必須用復(fù)數(shù)形式并且和of連用。所以選A。
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