◎ 题干
— When ______ the telephone ______, do you know?
— Yes. In 1876.
[     ]
A. was; invented
B. is; invented
C. did; invent
D. had; invented
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“— When ______ the telephone ______, do you know? — Yes. In 1876. [ ]A. was; inventedB. is; invented C. did; invent D. had; invented …”主要考查了你对  【被动语态】【一般过去时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。