单选题
1.00分
He notified his friends that his address had changed.
参考答案: A
参考解析: 句意:他告知朋友们,他的地址发生了变化。inform意为“通知、告知”; observe意为“观察、注意到”;mock意为“嘲笑、取笑”; mislead意为“误导”。