Supplementary conversational Chinese:
In the airplane
1. Listen first (Natural speed)
http://www.youtube.com/watch?v=2TtGbOg7R8A&NR=1
2. Listen again (explanation)
http://www.youtube.com/watch?v=jEHVLuhQ9aU&feature=related
3. Grammar summary
http://www.youtube.com/watch?v=Ctvv12hVQAg&feature=related
4. Listen again
http://www.youtube.com/watch?v=2TtGbOg7R8A&NR=1
5.Lesson 1 (full)