问题
单项选择题
As the director can't come to the reception, I'm representing the company ______.
A．on his account
B．on his behalf
C．for his part
D．in his interest
答案
参考答案：B
解析： on sb. 's behalf是习惯用法，表示“以某人的名义，为了某人，代表某人”，如：I paid the money on your behalf. 我替你付了钱。