Math,one of the most important subjects,( )always interested him.

问题描述:

Math,one of the most important subjects,( )always interested him.
填什么词,has,have,are 求解释

has
原因one of the most important subjects最重要的科目之一,重点突出一个,用单数形式,不用are原因是interest sb 是固定的了,不加be的