◎ 题干
— Where is Tom? I have something important to tell him.
— I last saw him____in the library reading.

A. sit
B. seated
C. seating
D. sat
◎ 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“— Where is Tom? I have something important to tell him. — I last saw him____in the library reading. [ ]A. sit B. seated C. seating D. sat …”主要考查了你对  【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。