It's two years since I worked in Beijing.为什么不能用has worke
2022-04-11 04:24:20 35次 反馈错误 加入收藏 正确率 : 100%
题目内容：
It's two years since I worked in Beijing.为什么不能用has worked?
He worked in Africa on wild animals for eight years.为什么不能用had worked?
Our work not finished ,we refused his offer.为什么不能用has not been finished?
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