◎ 题干
______his work, he decided to go skating with his friends .  
To finish  B. Finishing   C. Finished   D. Having finished
◎ 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 work, he decided to go skating with his friends .To finish B. Finishing C. Finished D. Having finished…”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。