个人感觉括号后有点问题,应该是the other boys.
Liu Tao is the tallest of the boys in his class.
=Liu Tao is taller than the other boys in his class.【应该是boys,比其他的男孩都要高】
=Liu Tao is taller than any other boy in his class.【这里是boy,taller than any other boy ,比其他任何一个男孩都要高】