他的小提琴和你的相同吗？Is her violin ___ ___ ___yours?

Is her violin the same with yours?
应该是这样，不过不是十分的确定，百分之八十可以保证~~~

seems to you

您好！

他的小提琴和你的相同吗？Is her violin the___ same___ with___yours?

same前加the，with译为和；同；跟

Is her violin _the__ _same__ __as_yours?
应该是这样的，the same as……和……一样

the same as
与..相同
A：Is her violin the same as yours?