Manyscientistsbelievethatrobots
- 习题库
- 关注:3.16W次
问题详情:
Many scientists believe that robots ______ able to talk like humans in 50 years.
A.were B.are C.will be D.have been
【回答】
C
知识点:动词时态
题型:选择题
标签:
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/zh-cn/exercises/8pwjkz.html