◎ 题干
______ to go out alone, the retired minister had to go for a walk with several policemen
following him.

[     ]

A. Warning not
B. Warned not
C. Not warning
D. Not warned
◎ 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“______ to go out alone, the retired minister had to go for a walk with several policemen following him. [ ]A. Warning not B. Warned not C. Not warning D. No…”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。