Tom doesn't know where to find a pen pal.改为同义句

问题描述:

Tom doesn't know where to find a pen pal.改为同义句
Tom doesn't know where to find a pen pal 改为 Tom doesn't know where___ -___ ____ a pen pal

Tom doesn't know where to find a pen pal 改为
Tom doesn't know where he can find a pen pal