◎ 题干
His invention ____ of no use by the scientists of that time.
[     ]
A. considered being
B. considered to be
C. was considered to be
D. was considered being
◎ 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“His invention ____ of no use by the scientists of that time. [ ]A. considered being B. considered to beC. was considered to beD. was considered being …”主要考查了你对  【动名词】【一般过去时的被动语态】  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。