have的过去式和过去分词怎么写
回答
爱扬教育
2022-06-30
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have:v.有;持有;占有;由…组成;显示出,带有(性质、特征)
扩展资料
A new system has been devised to control traffic in the city.
控制城市交通的新系统已经设计出来。
I think you have made an error in calculating the total.
我想你在计算总数时出了差错。
No new SARS cases have been reported in the region.
该区没有新增非典型肺炎病例。