morning可与noon,night连用,直接用作状语,用以修饰一段时间内有习惯性或重复性的动作。表示某段时间前用in,如:in the morning指在早上,不具体只哪一天早上。具体某一天前用on,如:on Sunday morning星期天上午。
They're freshly baked. I fetched them from the baker's this morning.
它们是刚出炉的。我早上去面包房买回来的。
The weather was unkind to those pipers who played in the morning.
坏天气对上午那些风笛吹奏者毫不容情。