【the river in front of my house was ,but it's c】

发布时间：2021-03-20 07:14:32

the river in front of my house was ,but it's clean now.改同义句：the river in front of my house —— —— ——dirty before.每个空填一个单词

网友回答

used to be
以上问题属网友观点，不代表本站立场，仅供参考！