There are three pen pens.One is Mike's ,_is John's ,and_is Peter's.怎么填?为什么?
问题描述：
There are three pen pens.One is Mike's ,_is John's ,and_is Peter's.怎么填?为什么?
答
The other .The other三者以上要用one… the other… the other…希望对你有帮助.