He is one of the hardest boy in our class改错

问题描述:

He is one of the hardest boy in our class改错

He is one of the most hardworking boys in our class

He is one of the harder boy in our class.或
He is the hardest boy in our class.

one of +the+*+复数名词 所以 把boy改为boys

He is one of the hardest boys in our class