题目内容：

early in the morning 等于early morning

优质解答

Mary gets up early in the morning.
Mary每天很早起来.
Mary will call you in the early morning.
Mary会在很早的时候打电话给你.
两个不同的,第一个early是副词,整个作状语,第二个early是名词,作in 的宾语.