[ti:UNIT 8 Save Our World Lesson 60: Fix and Mend] [0:00.068]UNIT 8 第八单元 [0:01.757]Save Our World 拯救地球 [0:04.460]Lesson 60: 第60课: [0:06.689]Fix and Mend 修理和修补 [0:09.391]For this song, you need two groups. 唱这首歌,...