You will find it worthwhile to keep ____ good terms withthe supervisor of your department.
问题描述：
You will find it worthwhile to keep ____ good terms withthe supervisor of your department.
A.at
B.in
C.on
D.to
选C,why?
答
c
keep on good (friendly) terms with sb.
与某人保持良好(友谊)关系,交朋友