问题太大,简单回答:
一,介词on
1.表具体的哪一天:
on Monday,on May 1,
on the day he was born.........
2.在(近似)平面的位置:
on the table/wall/ceiling,
on the hill,on the way/road/street,......
3.相当于about表示“有关于...的”:
a question on English......
二,副词on
1.电器,机器等开着的,运转/行着的:
The TV is on.Turn on the computer.....
2.表动作状态的持续my love will be on.....
介词副词均可和其前面的动词组成词组:look on, take on,go on......等。
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