问题
选择题
The manager promised to keep us _____ of how our business was going on.
A．informed
B．informing
C．being informed
D．to be informed
答案
A
题目分析：句意：经理答应让我们了解我们的生意进行的情况。inform sb of sth告诉某人某事；其被动：sb be inform of这里是keep sb done,这里sb与do之间是被动关系，故选A。
考点：
