/sites/hwyEnglish/UserFiles/hwy/files/%E5%85%AB%E4%B8%8AUnit%207%20Section%20A%201a-2c(%E9%80%81%E8%AF%BE%E4%B8%8B%E4%B9%A1%EF%BC%89.pptx
课件内的视频因为文件太大无法上传已经删除了!