He did ____than any other student in the test.(good)

问题描述:

He did ____than any other student in the test.(good)
应该填什么?为什么?
那为什么答案是best?

better,
因为有than,说明是比较级
不应用best,如果是the best的话,应表达为:
He did the best among his classmates in the test.