短文改错:The internet is an useful tool and you can do many things on it

问题描述:

短文改错:The internet is an useful tool and you can do many things on it

and--so 因果,网络很有用的工具,所以你能用它做很多事情。

on it 变through it

on 改成:with
用什么,以什么为工具,用介词with

an---a
useful读音以辅音开头,所以冠词用a。