◎ 题干

He is said _______ a new machine recently, but I don’t know when he will make it.
A.to design B.to be designed
C.to have designed D.to have been designing
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“He is said _______ a new machine recently, but I don’t know when he will make it. A.to designB.to be designedC.to have designedD.to have been designing…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  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。