https://online2.tingclass.net/lesson/shi0529/10000/10243/134.mp3
https://image.tingclass.net/statics/js/2012
本期内容：
It is right to put everything in its proper use
凡事都应用得其所
首先，我们来学习一个单词 proper P-R-O-P-E-R 合适的，正确的
再来学习一个词组 put sth in use 使用某物
put sth in its proper use 适当的使用某物
