Recently I sent a postcard to my sister who was living in another town.My sister did not receive it and I was wondering why.Then one morning the postman brought a letter for me.,想问一下，为什么postman前用the不用a，前文他没出来啊。谢谢帮忙！
...chool, around 20% of youngsters work best with background music, 10% excel when allow to break up their work with short walks around the room while up to 80% can concentrate better if allowed to fiddle with a small object.老师， 红色部分我没有看懂，不知道怎么翻译。烦请指导...
Many
people who had seen the film were afraid to go to the forest when they
remembered the scenes in which people were eaten by the tiger.老师：上面were
eaten为什么不是过去完成时had been eaten呢？谢谢。
When it comes to putting on pace, some electric vehicles rely not only on a battery to deliver the necessary wattage, but also on a second source of power called a supercapacitor. 这里的putting on pace，看翻译是“加速”的意思，但我翻了词典并没有查到。另外，请麻烦...
...n climatic
change and destruction of rainforests.这句话里加粗的as所引导的名词短语是不是 ideas about rainforests 这个名词词组的补语？另外，是不是只要是名词就可以带有自己的补语，无论这个名词在句中充当的是主语，宾语或者同位语？...
She said nobody with money would live in an house, especially when it was so far from the downtown that it might as well be in the Utah.请教专家，上述句子的句式分析和翻译。谢谢老师。
However, this was
only the case when participants watched the films with the curtain between them
open.这句话最后的between
them 还有open都是修饰curtain的吧？with加名词用法？
... served in the army.有人认为第1, 2句意义相同，但是，第二句从句中使用过去完成体的语义逻辑是什么？3) We had not thought of the solution until they gave us some hints.4) We didn't think of the solution until they gave us some hints.第3句的主句为何使用过去...
Swift continued her speech by offering “some life hacks
I wish I knew when I was starting out my dreams of a career.中I wish I know 语法和意思怎么理解，重点单词：wish，句子结构
...无法戒烟，已经完全上瘾了。I
tried to give up smoking several times before I realized I was addicted. 我几次试图戒烟，最后才意识到我已经上瘾了。若要具体表明“对……有瘾或痴迷”，其后习惯上接介词to（后接名词或代词；若接动词，要...