来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/14 11:49:18
解题思路： 如下
解题过程：
1. You will get there in five minutes .
2. I was on the edge of the Grand Canyon.
3. I looked over them carefully .
4. It is about 6,700 kilometres long .
5. I don’t know how deep it is .
最终答案：略
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