he is the tallest ____ of the three

问题描述:

he is the tallest ____ of the three
可以用 of 那among行不行?区别在哪?

应该可以.
He is the tallest (one) of the three.他是我们中最高的.
among用在三者或三者以上的情况下,在语法上,说得通.
但是,通常都是用of的,这是习惯用法.