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题目内容
（宿州学院大学英语2）
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