1._What__ good news! The World Cup will be held in South of Africa.
2._What an__ interesting talk Mr Black gave us!
3.__What_ hard work you have done!
一断：找到陈述句的主谓成分后断开句子
eg: SHE is / a famous band.
What a famous band SHE is!
二去：线后部分如果是形容词或副词,要把修饰形容词或副词的词去掉.
eg: Jack Chen is very famous.
How famous Jack Chen is.
三加：在线后部分的前面加上感叹词如果线后部分的中心词是名词,就加what；如果线后部分的中心词是形容词、副词等,就加how.