[ti:UNIT 3 Pardon Me! Lesson 20 Where I Come From] [0:00.630]UNIT 3 第三单元 [0:02.176]Pardon Me! 原谅我! [0:03.329]Lesson 20: 第20课: [0:04.810]Where I Come From 我来自哪里 [0:12.278]I come from a foreign country. 我来自外国。...