◎ 题干
The manager promised to keep me _____ how our business was going on.
[     ]
A. informing of    
B. informed of    
C. to inform of    
D. on informing
◎ 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“The manager promised to keep me _____how our business was going on.[ ]A. informing ofB. informed ofC. to inform ofD. on informing…”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。