◎ 题干
________ his job application carefully, he emailed it to the company where he wanted to work.
A.Having checkedB.CheckedC.CheckingD.To have checked
◎ 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“ ________ his job application carefully, he emailed it to the company where he wanted to work.A.Having checkedB.CheckedC.CheckingD.To have checked…”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。