问题
选择题
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
答案：B
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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：B