Lesson1. Let’s Go “Green Shopping” Reading(Recognizing the Main Idea) - 광고 글 읽기 Writing(Selling Used Items) - 광고 글 쓰기 Last week, I got a huge package in the mail. At first, I didn’t know what it was. Given the enormous size of the box, I didn’t think it could possibly be the cellphone case I had recently bought online. I looked through the packaging in the box, and guess what I found! Another li..