Police confirmed that the murder weapon has since been discovered in a nearbgood news!Police confirmed that the murder weapon has since been discovered in a nearby lake.为什么前面是过去式 confirmed 而后面不是过去完成时?而是has?

Police confirmed that the murder weapon has since been discovered in a nearbgood news!Police confirmed that the murder weapon has since been discovered in a nearby lake.为什么前面是过去式 confirmed 而后面不是过去完成时?而是has? 找出错误并在横线上改正Police has confirmed that the victim was a computer programmer.____________He said he is going to visit me the next day.____________________If something is confirmed,it is prove to be true._________________________ police police 【help】一道英语选择题!Good news!Police confirmed that the murder weapon ___________ in a nearby lake.A、has since been discoveredB、had ever discovered请问为什么选A而不选B?我觉得既然前面是 confirmed,是过去时,后面就 confirmed booking是什么意思 laboratory confirmed cases意思 Holiday Inn Sydney Confirmed是什么意思 ok.confirmed.thanks翻译中文 confirmed letter of credit是什么意思 “confirmed Proforma invoice” 如何翻译? 高二英语单词填空.Don't put too much p_______ on the child.He may not stand it.A lot of work now is t______ or part time.It shows that a k______ of first aid can make a real difference.The police confirmed that the murder victim had been p____ 翻译一篇英语文章,满意追加分Last night, the body of a 22-year-old man was found in the doorway of a clothes shop in Valley Town. Police have confirmed that the victim was a computer programmer .He was last seen leaving his office in New T police是什么意思 police是单三吗 why doesn't tha' put tha' one shoes 初三英语练习题根据句意和句首字母写出单词1.The police usually question the suspects s＿＿＿ to make sure they won't listen to each other.2.My familiy went to the c____ last night.We all enjoyed the film very much.3.He p_____ tha ”锅炉75%THA-100%BMCR负荷“,