be concerned for/with/in/about/over的区别
The conference was concerned ___ the gobal reforms of the financial system,and every leader present was concerned ___ interests of his own country.
A with；about
B over；about
C for；in
D about；with
RT
求这个题的详解.
快被这五个介词搅疯了.
求详解。
详解。
求具体翻译.......