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
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◎ 解析
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◎ 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 beingB．considered to beC．was considered to be D．was considered being…”主要考查了你对 【一般现在时】，【将来进行时】，【过去完成进行时】，【过去将来时的被动语态】 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。
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