介词填空（）Mondaymorningswegathertogether()theschoolfield.用in还是on,求这两词的正确使用方法

Question

介词填空
（ ） Monday mornings we gather together ( ) the school field.
用in还是on,求这两词的正确使用方法

Answer 1

On Monday mornings we gather together in the school field.
在具体的某一天早晨用ON
in the field 是固定搭配
on
(1) 作介词：
1.表示位置：在……上 Mary’s coat is on the desk .
They’re going to work on a farm .There are many apples on the trees .I have them on this piece of paper .There was a big smile on her face .
Jim and Li Lei meet on the road outside Li Lei’s house .Which channel is it on
2.表示时间：在……（天）
Everyone eats mooncakes on Mid-Autumn Day .They arrived early on a Tuesday morning .I eat mooncakes on that day .
I was born on February 18 ,1981 .
Either Tuesday or Wednesday is OK .I’ll be free on these days .
3.关于……
In the library she has got books on many different subjects .(2) 作副词,与动词连用,构成短语：
1.come on跟我来,加油
2 go on
等等很多的
in
的用法也有介词 以及固定搭配的
这些东西网上都可以找的到 我给你简单举下例子吧
1 介词
在.里 in the classroom
从事 in business
穿着 he is dressed in white
朝向 in the right direction
2 表时间
in the afternoon
in 2013 等等
3 adv副词
come in 进来
就这些吧
其实用法还有很多 一些用法由于很常见我们就按固定搭配记住就好了