I have the same pen as 后面是you还是yours?

题目

I have the same pen as 后面是you还是yours?

答案

yours .
比较的对象是笔不是人,这一点上要弄清楚,所以不能用YOU.
完整句是：
i have the same pen as your pen.
其中your pen可以用yours 来代替,避免了与前面的pen再次重复,显得精简一些.