Four Corners 4 Listening Unit 1 ・ Unit 2 ・ Unit 3 ・ Unit 4 ・ Unit 5 ・ Unit 6 Unit 7 ・ Unit 8 ・ Unit 9 ・ Unit 10 ・ Unit 11 ・ Unit 12 Unit 9 : Can you believe it? Lesson B: I’m pretty sure that… 1- Interactions B (#120) 1- Interactions C (#121) 2- Listening B (#122) 2- Listening C (#123)