Unit 6 When was it invented？Section A 3a-3c 课件(共24张PPT)

Unit 6 When was it invented？SectionA Grammar focus 4a-4c 课件(共34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 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 3a-3c 课件(共21张PPT)

Unit 6 When was it invented？Section A 课件(共14张PPT)

Unit 6 When was it invented？ Section A 1a-2c（39张PPT）