https://online2.tingclass.net/lesson/shi0529/0009/9907/153.mp3
https://image.tingclass.net/statics/js/2012
讲解文本：
behave 举止端正，表现得...
Tell him to behave, or I'll fix him.
告诉他乖一点，否则我要收拾他。
Behave and I will get you a gift.
乖一点，我会给你带礼物的。
It's hard to train children to behave well at the table.
培养儿童用餐时举止得体是不容易的。
疯狂练习吧!
