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题目内容
（东北农业大学大学英语Ⅲ）
The manager promised to keep me ____ of how our business was going on.
A、to be informed
B、on informing
C、informed
D、informing
参考答案
The manager promised to keep me ____ of how our business was going on.
A、to be informed
B、on informing
C、informed
D、informing