People began to use fire millions of years ago.对划线部分提问
People began to use fire millions of years ago.对划线部分提问
划线部分：millions of years ago
问答/433℃/2024-05-01 20:23:24
优质解答：
When did people begin to use fire?
祝你学习进步,更上一层楼!(*^__^*)
有不会的可以再问我:）
People began to use fire millions of years ago.对划线部分提问
划线部分：millions of years ago
问答/433℃/2024-05-01 20:23:24
When did people begin to use fire?
祝你学习进步,更上一层楼!(*^__^*)
有不会的可以再问我:）