问题描述:
英语翻译
They built a series of forts along the border to protect the country from attack.
上面的是标准答案,为什么不能是to protect the country from being attacked?
They built a series of forts along the border to protect the country from attack.
上面的是标准答案,为什么不能是to protect the country from being attacked?
问题解答:
我来补答展开全文阅读