重点讲解：
1. required reading
必读书；指定读物；
eg. This book is required reading for our course.
这本书是我们课程的必读物。
eg. After he finished the required reading, he found something else to read.
他在完成了指定的阅读之后，找了一些另外的东西来读。
2. play hooky
逃学；旷课；旷工；
eg. oungsters who play hooky are usually bored with some courses.
逃学的青少年通常是对某些课程感到厌烦。
eg. On the first warm spring day the boys played hooky to go swimming.
在第一个暖和的春日，男孩们逃了学游泳去了。
eg. I had no choice. I have an important presentation this afternoon and I can’t play hooky.
我没得选。今天下午我有个重要的报告，不能走。