◎ 题干
Most of his books are said ______ into several languages already.
[     ]
A. to be translated
B. being translated
C. to have been translated
D. translate
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Most of his books are said ______ into several languages already. [ ]A. to be translatedB. being translatedC. to have been translated D. translate …”主要考查了你对  【不定式的完成式】【不定式的被动式】  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。