◎ 题干
--- Is Bob still working in your school?
--- I’m afraid not. He is said        and       in a private school recently.
A.to resign; to teachB.to have resigned; to teach
C.to resign; to be teachingD.to have resigned; to be teaching
◎ 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“--- Is Bob still working in your school? --- I’m afraid not. He is said and in a private school recently.A.to resign; to teachB.to have resigned; to teachC…”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。