1.died 改为been dead
2.arrived改为been
3.gone改为been
4.have去掉
5.has去掉
6.were never改为have never been
7.since改为for
8.ago去掉
考察的是 完成时态时间状语为一段时间，而过去时态时间状语是某个时间点
改错（英语问题改错The old lady has died for ten years.（改错）She has arr
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