file:四级通关班导学.pdf file:003 四级英语导学（下）.mp4 file:四级真题集勘误说明.docx file:16长对话.mp4 file:02听不懂的原因.mp4 file:05英美发音区别（上）.mp4 file:08连读（下）.mp4 file:17篇章关键词-宏观方向.mp4 file:089 微观题型综合范文（下）.mp4 file:092 观点态度题.mp4 file:087 词汇指代题典型例题.mp4 file:060 特殊结构的长难句分析.mp4 file:052 表语、主语及同位语从句.mp4 file:045 现在完成时、过去完成时及完成进行时.mp4 file:043 简单句的核心构成（2）.mp4 file:113 图表作文.mp4