学帮网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
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/31 06:01:27
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
used to be