要表达“我知道了”,你的第一反应是不是“I know”?比如下面这些场景:“Take your umbrella. It’s raining.”“I know!”“The bus is coming!”“I know!
B: Yeah, it's about time.是的,早就该找到了。常用句子结构:It's about time ...例:It's about time the school improved its food service.