He doesn't want to, because a year, dade is creating pressure to ask questions and Exchange conversation time, fewer questions, develop a breed of teacher. And sometimes in the de may make us self-conscious afraid to questions within the time limit, only a few minutes.
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)