来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/10/03 02:45:36
解题思路： 如下
解题过程：
1.Trees are planted by us every year.
2.My homework is done by me every day .
3.English is taught by them at our school.
4.A letter was written by Tom yesterday.
5.The bridge was built by the workers last year.
最终答案：略
作业帮