people have been feeding pets from long time agoPeople have been feeding pets from long time ago.请问这句话有什么语法错误吗?

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people have been feeding pets from long time agoPeople have been feeding pets from long time ago.请问这句话有什么语法错误吗?

people have been feeding pets from long time agoPeople have been feeding pets from long time ago.请问这句话有什么语法错误吗?
people have been feeding pets from long time ago
People have been feeding pets from long time ago.
请问这句话有什么语法错误吗?

people have been feeding pets from long time agoPeople have been feeding pets from long time ago.请问这句话有什么语法错误吗?
from ---since

把“ago”去掉

把from 改为 since