majors (on witch) are not "hot" today may become the "hot" majors of tomorrow.
问题描述：
majors (on witch) are not "hot" today may become the "hot" majors of tomorrow.
为什么要用 on witch
答
楼主是不是看错答案了?答案用which或者that就可以了.翻译：今天（现在）并不热门的专业,可能会变成明天（将来）的热门专业.主句是：Majors may become the 'hot' majors of tomorrow.而___ are not "hot" today为定...