l have three pen.He has only one.合并句子
问题描述：
l have three pen.He has only one.合并句子
答
I have there pens while he has one .
答
I have three pen ,but he has only one of them.
答
I have three pens but he has only.
我有三支钢笔但是他只有一支.
希望能帮到你!
答
I have two pens more than yours