puma at large新概念英语3的一个语法no pumas had been reported missing from any zoo in the country,有人说这句话是missing是形容词,那么这句话主动语态是什么?为什么有人说这句话其实是reported to be missing?to be

有谁知道A puma at large在英语新概念三册的第几课? a puma at large求新概念英语3第一课“A puma at large” 的MP3格式的 谁有新概念英语3的MP3听力啊,或能够下载的,Unit1 lesson1是 A puma at large逃遁的美洲狮 新概念英语3 第一课中关于 at large文章标题中 是a puma at large 在文章最后一句中用的是 is (still) at large 还有 在新东方的网课中 他举了一个例子 brid flu is at large请问一下 什么时候 用at large A puma at large的疑问新概念第三册的第一课题目是 'A puma at large',为什么不是 'A puma is at large'?课文的最后写的是 ...a puma is still at large.还是题目是A puma (which is) at large的省略? 新概念英语3第一课“A puma at large”新概念英语3第一课的课后习题2,我选择b,但答案给出的是a,但这个答案无法理解.原题：What particular piece of evidence persuaded the experts that a puma had been seen in the vi （重金酬谢）新概念英语第3册第一课 作文怎么写 紧急!如题：就是A puma at large 的那篇课文的课后有偏作文 Describe the occasion when the woman picking blacking saw the puma .Expand the following into a paragraph of 新概念3中第一课 A puma at large中,HAVE的用法疑惑新概念3中第一课 A puma at large中,有一句话：As no pumas had been reported missing from any zoo in the contry,this one must have been in the possession of a private collector an a puma at large 中文翻译为什么是逃遁的美洲狮 关于新概念英语第三册 “a puma at large的一个时态问题就是文章的第一段中 .the descriptions given by people who claimed to have seen the puma were extraordinarily similar.这里是have seen 再接下来就是 the hunt for t 关于英语短文的背诵背诵对于语言学习的提高应该是潜移默化的,那是需要将文章变成永久性记忆,还是只要背过就可以了?像我现在正在背新概念3,第一篇PUMA AT LARGE我到现在还能挺熟练的背出 puma at large新概念英语3的一个语法no pumas had been reported missing from any zoo in the country,有人说这句话是missing是形容词,那么这句话主动语态是什么?为什么有人说这句话其实是reported to be missing?to be a puma at large句句语法分析 《新概念英语》（第三册）第一课《A Puma at Large》Pumas are large,cat-like animals which are found in America.When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London,they were not taken ser 新概念3第一课puma at a large课后的多项选择题中的结构题（新版的是17页）___________________it immediately ran away.a) Observing her b)On being observedc)Having been observed d) On her being observed选什么呢 原因? 新概念英语3文章复述用英语复述下文,注意要的是文章,不要关键词!Pumas are large,cat-like animals which are found in America.When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London,t puma at large什么意思,怎么翻译?at large有“在逃”的意思吗？是个固定的短语吗？能不能解释一下，我没有字典啊 新概念英语第三册第一篇课文里单词PUMA的发音究竟是?众所周知,PUMA是一个单词,而且也是一个牌子.英语里PUMA的发音是[Piu-Ma]；但是PUMA当作运动品牌来念的话,是[Pu-Ma],PUMA是德国的牌子,而且听