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
考查固定结构。Inform sb of sth通知某人某事；sb与inform构成被动关系，所以形成keep sb informed of sth通知某人某事；句意：经理答应通知我生意的进展情况。