来源：学生作业帮 编辑：百度作业网作业帮 分类：英语作业 时间：2024/06/25 02:25:57
解题思路： 首先根据题目要求确定时态，列出重点短语和句型，然后有条理地书写
解题过程：
1. Lost
I lost My School ID card. I must find it.If you find it,please call me at 296-6369.
Mary
2. Found
I found a set of keys. Please call Rick at 520-3638 .
百度作业网
