题目内容：

根据句意和汉语注释，在答题卡标有题号的横线上，写出单词的正确形式。

1.You can never imagine how ________ (success) the event was held in Guangzhou last week.

2.To raise his family, he left home for work in his early _____________(twenty).

3.---How is your business going?---It couldn’t be _____________(bad).

4.The police have found some fingerprints. Maybe they belong to those ___________(rob)