人教版九年级全册 Unit 6 When was it invented？Section B 2a-2e 教案

人教版九年级全册Unit 6 When was it invented？SectionB 2a-2e 教案

Unit 6 When was it invented？Section B 2a-2e教案

人教版英语九年级全册Unit 6 When was it invented？ Section B 1a-1e 教学设计（表格式）

Unit 6 When was it invented Section B（2a—2e）教案

人教版英语九年级全册nit 6 When was it invented？Section B 1a-2d 教案

人教版九年级全册 Unit 6 When was it invented？ Section A 3a-3c 教案