英语改错Dear Editor,I am a high school student.A few days before,76.one of my very good friend
问题描述：
英语改错Dear Editor,I am a high school student.A few days before,76.one of my very good friend
答
before也可以用作副词（如在a few days before短语中），通常表示从过去某时刻算起的若干时间以前，谓语动词常用过去完成时。
ago是副词，表示从现在算起的若干时间以前，谓语动词常用过去时。
答
A few days ago
one of my best friends
答
Dear EditorI am a high school student. A few days before(ago),one of my best friends told me that he was going to stop(?) the school.He said that he want to start his own business.I tried my best to m...
答
before改为ago，，，