He is __________ more hard-working than any of the other boys in the class.
问题描述:
He is __________ more hard-working than any of the other boys in the class.
a.by far b.by way of c.by now d.by and by
答
答案是A.因为只有by far可以修饰比较级.当然,by far也可以修饰*.