ABSTRACT
Listen to Professor Sakamoto announce tasks and write them on the designated day in the planner. https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780203730249/67b4fd48-737f-42f5-b729-a9646342f3f1/content/figu_chapter2_36_1_B.jpg"/>
