1. Mom, I can't see the blackboard at class.2. I'll take you to see a doctor this afternoon.3. Betty, there's nothing wrong with your eyes. Why can't you see the blackboard?
21世纪报社版权所有,未经书面授权,禁止转载或建立镜像。 主办单位:中国日报社 Copyright by 21st Century English Education Media All Rights Reserved 版权所有 复制必究 京ICP备13028878号-12京公网安备 11010502033664号