问题
选择题
Some scientists believe that there will be more robots in years.
A.hundreds of
B.hundred of
C.two hundreds of
D.two hundreds
答案
答案:A
题目分析:句意为:一些科学家相信数百年后将会有更多的机器人。当hundred/thousand/million等词前有确切数字时,hundred/thousand/million等词后应不加“s”,且无of;当hundred/thousand/million等词前无确切数字时,hundred/thousand/million等词后加“s”,且有of。根据语境可知应选A。