Reading 1. (No. 31~33)
https://www.youtube.com/watch?v=LoJQg6cuaM8&list=PL6D-YTosvGYq8YexsOG53BGav1CD0t3aM&index=42
Reading 2. (No. 40~42)
https://www.youtube.com/watch?v=kmdkvOFJeGc&list=PL6D-YTosvGYq8YexsOG53BGav1CD0t3aM&index=43