第4题: [单项选择]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 参考答案:B 答案解析:[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。