练习材料：Lesson 13 The Greenwood Boys
The Greenwood Boys are a group of pop singers. At present, they are visiting all parts of the country. They will be arriving here tomorrow. They will be coming by train and most of the young people in the town will be meeting them at the station. Tomorrow evening they will be singing at the Workers' Club. The Greenwood Boys will be staying for five days. During this time, they will give five performances. As usual, the police will have a difficult time. They will be trying to keep order. It is always the same on these occasions.
任务配置：L0+L4
知识笔记：这是练习的第四天，一个小时。语音语调模仿的特别差，情感根本就体会不到，录着录着就变味了，/th/音读出来没声音。
