语法检查 have done sth.than sb.have ever been

来源：学生作业帮编辑：百度作业网作业帮分类：英语作业时间：2024/08/14 03:11:22

语法检查 have done sth.than sb.have ever been
In the 20th century,human beings created the most material and cultural resources than they have ever been.
这话有木有语法错误呀?

In the 20th century,human beings created the most material and cultural resources than they have ever 【done】.

语法检查 have done sth.than sb.have ever been have been done 语法呢 have sb doing have sb done have sb to do have sth done have 是have sb done还是have sth done if sb had done sth/ sb have done造句 have sth./sb.done的用法, 请帮忙区分一下have sb done和have sb done,have sth done have sth done与have sb do sth与 have sb doing sth区别 have sth done sth? have sb doing与have sth done的用法 even 和ever 怎么用是even have done sth 还是have even done sth have sb done和have been doing有么?