英语,以下三句英语哪句语法错误?

题目

英语,以下三句英语哪句语法错误?
以下三句英语哪句语法错误?
1,it are 300m from factory A to factory B.
2, the distance are 300m between factory A and factory B.
3,what different is there between men and mowen ?

答案

1.are改为is
2.are改为is
3.different 改为difference