It was hard work to build the Great Wall beacause there were no (m_)machines then.请将括号中的单词

分类: 作业答案 • 2022-05-02 12:35:54

问题描述：

It was hard work to build the Great Wall beacause there were no (m_)machines then.请将括号中的单词
填写完整.

答

It was hard work to build the Great Wall beacause there were no (moving_)machines then.