ile:23318-preliminary-sample-paper-6.zip file:PET冲刺班教材.pdf file:U9-课堂笔记.pdf file:PET词汇表（剑桥官方版）.pdf file:第十课注意事项和总结.pdf file:(5)第六课听力Part4训练第5段.mp4 file:第八课听力真题模拟一.pdf file:第五课听力Part3训练二.pdf

ile:23318-preliminary-sample-paper-6.zip file:PET冲刺班教材.pdf file:U9-课堂笔记.pdf file:PET词汇表（剑桥官方版）.pdf file:第十课注意事项和总结.pdf file:(5)第六课听力Part4训练第5段.mp4 file:第八课听力真题模拟一.pdf file:第五课听力Part3训练二.pdf