题目内容

It will take ________ years to make robots ________ the most unpleasant things.
[     ]
A. hundred, do  
B. hundreds of, to do
C. two hundreds, to do    
D. hundreds of, do
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网