根据句意和汉语注释,写出单词的正确形式。
_______________ (管理) a company is much harder than you think.
All his family love travelling and they have got many exciting _____________(经历) over the years.
It’s hard for us to start a _______________ (谈话) when we meet some people for the first time.
Are there any _______________ (国际的) banks in Jiangyin?