◎ 题干
— Some money is missing.
— Well, we must get the police _____ at once.

A. to inform
B. informing
C. informed of
D. informed
◎ 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“—Some money is missing. — Well, we must get the police _____ at once. [ ]A. to inform B. informing C. informed of D. informed …”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。