英语句子结构问题He has been able to tell us more about the active volcanoes than any man alive.知道were able to 意思.为什么是has been ,

分类: 作业答案 • 2023-01-23 08:45:58

问题描述：

英语句子结构问题He has been able to tell us more about the active volcanoes than any man alive.
知道were able to 意思.为什么是has been ,

答