https://online2.tingclass.net/lesson/shi0529/0009/9907/444.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
draw a blank 腦中一片空白
Every time I try to remember my phone number, I draw a blank.
每一次我想要記起我的電話號碼時，腦袋總是一片空白。
What was the name of our English teacher? I've completely drawn a blank.
我們英語老師名字叫啥來著?我完全想不起來了。
我覺得Mike在隱瞞著什么。
