1-81 - 83

• what's wrong with you?
  what's the matter with you?
• 地点副词
  home,abroad,here,there,downtown,upstairs,downstairs,
• have

1. 拥有
2. 万能动词：吃,喝,从事,患
   have a haircut 理发
   have a lesson
3. have done

• and 连接2个动词时态语态一致
• 中文过去式标志词
  了，过了，的
• traffic jam
• reminder
  remind
• 主将从现
• leave left left
  leaves 树叶复数
• 完成时的标志词
  already,just
• bring brought