[ti:UNIT 1 School and Friends Lesson 5: My Classroom] [00:01.62]UNIT 1 第一单元 [00:03.20]School and Friends 学校和朋友 [00:07.03]Lesson 5: 第5课: [00:08.74]My Classroom 我的教室 [00:11.50]1. [00:13.10]What's this? 这是什么? [0...