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29 He had inside ________ (inform) as to what
问题详情
29 He had inside ________ (inform) as to what was going on in the U.S. Central Intelligence Agency (CIA).请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：information
information 解析：考查词性转换，动词变为名词，词尾加“-ation”。
考点：
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