在我们教室的墙上用英语怎么说,有多少种不同的说法

Question

在我们教室的墙上用英语怎么说,有多少种不同的说法

Answer 1

在我们教室的墙上用英语

on the wall of our classroom

on our classrrom wall.

on our classroom's wall.

Answer 2

on our classroom's wall

Answer 3

On the wall of our classroom.
On our classroom's wall.