人教版九年级全册英语 Unit 6When was it invented？SectionA 3a-3c 课件(共27张PPT)

人教版九年级全册Unit 6 When was it invented？SectionA Grammar focus 4a-4c 课件(共39张PPT)

人教版九年级全册英语Unit 6 When was it invented？SectionA 1a-2d 课件(共41张PPT)

人教版九年级全册Unit 6 When was it invented？SectionA Grammar focus 4a-4c 课件(共13张PPT)

人教版九年级全册Unit 6 When was it invented？Section B课件(共29张PPT)

人教版九年级全册 Unit 6 When was it invented？ Section B 2a-2e 课件 (共16张PPT)

人教版九年级全册Unit 6When was it invented？SectionA 3a-3c 课件（共23张PPT，无音、视频）