On october 2000,they went on a study trip to England 哪里有错误
问题描述：
On october 2000,they went on a study trip to England 哪里有错误
答
用In ，因为没有讲到具体的日子，哪一天！
答
On october 2000
改成
In october 2000
只说到月份用in
另外,october ,O应该大写