...after the Elkor had returned home. All the items that were found were sent to the War Museum.第一句当中 after the Elkor had returned home用了过去完成时，第二句当中 that were found 为什么不用that had been found?
The alchemy of time also helps, transmuting bad rebels into negotiating partners, as the years have done to Northern Ireland’s Roman Catholics.请问 as the years have done... 修饰的是 helps 还是 transmuting?
The mother's health was judged on her height-to-weight ratio, her diet, amount of physical (active), smoking status and how much alcohol she drank.空格处填的是activity, 我想问能不能填activities 呢？
"Wasn't Joan supposed to be here by now ?""Don't worry, she'll be here in about twenty minutes." (TOEFL)既然是时间状语by now，为什么前面使用了一般过去时Wasn't呢？我不能理解。是否应该改成Isn't呢？望老师答疑解惑，谢...
老师好，请问下面how...句子成分是什么样？How utterly reckless of humanity to have rushed past the Holocene boundary, ignoring—like a character in a horror movie—all of the obvious warning signs.
But, in the main, they had thought only of living to themselves in woods and caves and building up an attempt at Old Narnia in hiding.出自纳尼亚传奇，大概意思我是懂的。不过这里的是什么意思？最好能把整个句子的结构给我分析一下，谢谢老师。
He then says a few things to the woman, pats on her head and pushes her softly as she faints in the end.背景：这里是对一个场景进行描述，其中的he是一个印度巫师，把通过抽打句中那个妇女的方式给她驱魔。请问：这里的as作何解释？
The date is close to that of the introduction of printing into England by William Caxton. 我觉得这里的printing into England by theWilliam Caxton可以做introduction的后置定语，为什么要加of呢？