问题描述: Jack ran to schooll ,his schoolbag was on his back改为同义句 1个回答 分类:英语 2014-11-19 问题解答: 我来补答 Jack ran to school with a schoolbag on his back. 再问: Jack ran to school __his schoolbag__his back.,怎么填 再答: with; on 展开全文阅读