Some scientists think that it may take_____ years to make robots walk A. hundreds of B. two hundreds...
2022-09-26 06:35:51 54次 湖北省武汉一初慧泉2018-2019学年八年级下学期3月考英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Some scientists think that it may take_____ years to make robots walk
A. hundreds of B. two hundreds of C. two hundreds D. two hundred of
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