the red bag is cheapest of all the bags 找出错误一项并改正
问题描述：
the red bag is cheapest of all the bags 找出错误一项并改正
答
形容词*前必须用定冠词theThe red bag is the cheapest one of all the bags
the red bag is cheapest of all the bags 找出错误一项并改正
形容词*前必须用定冠词theThe red bag is the cheapest one of all the bags