Jim was at his grandfather's home two days befor改错

问题描述:

Jim was at his grandfather's home two days befor改错

Jim was at his grandfather's home two days ago.
将before 改为ago.
ago表示以前,放在一段时间之后,通常与一般过去时连用.
我的是原创,祝你学习更上一层楼!(⊙o⊙)