更正被推薦答案如下：
1.有沒有變化格式要求?以下答案均可：
= Edward came to school late again,so Mr Black was angry.
= Mr Black was angry about/at Edward/Edward's coming to school late again.
還有很多種變化,恕不一一列出.
當然樓上變化勉強可以,最好要改成：
Edward came to school late again,which made Mr.Black angry.
2.= What do you think of/about Beijing Opera?
= How do you find Beijing Opera?
= How do you feel about Beijing Opera?
你覺得京劇如何/怎么樣?
3.= I know nothing about it.
注：/ 表示可以任意選用其一.