汉译英。他们会给你讲故事，你又可以交朋友。
They can tell you stories, and you can _____ _____.不要在课堂上听音乐。
______ ______to music in class.长城是中国的象征。
The Great Wall is a ____________ of ___________.我们必须拯救树木，拒买象牙制品。
We must save the trees and not buy things _____ _____ ivory.我们必须帮助那些面临巨大危险的人。
We must help those people who are _____ great _____.