Have you made up your mind___where to go?A.about B.on 为什么选A不选B解释下谢谢
问题描述：
Have you made up your mind___where to go?A.about B.on 为什么选A不选B解释下谢谢
答
楼上对,两个介词基本上没有大区别,而且语法上两者都可以,
但 make up one's mind about sth.
是固定说法.例：
Mary hasn't made up her mind about the vacation yet.