ile:32.Lesson 32 There be 否定和疑问.mp4 file:49.Lesson 49 什么是连词以及并列连词.mp4 file:62.Lesson 62 现在完成时（常见句型）.mp4 file:5.Lesson 5 不定冠词.mp4 file:17.Lesson 17 时间介词before during after within.mp4 file:33.Lesson 33 动词第三人称单数.mp4 file:新概念英语 练习详解 1.pdf file:新概念一册专属讲义（整合版供打印使用）.pdf file:新概念英语 1（教师用书）.docx file:单词词汇-新概念英语一.xls file:12.Lesson 12 Pp Qq Rr 单词拓展.mp4 file:43.Lesson 43 sp st sk sc【更多课程加微信：412642105 或 公众号：四小圈】.mp4