一道填空题:—Alice came back home the day before yesterday. —Really? Where _______?答案是:had she been。但是我觉得如果平常口语中回答 has she been 也是可以的。因为虽然说回来是前天发生的 旅行是回来之前完成的 但是如果作为一个整体...
...2. Lee _____(learn) English for several years, and at last he has mastered theirregular verbs. 请教老师,唯一答案是 has been learning。我的疑惑是可否用has learned ? 谢谢老师。
Small as it is, the ant is as much a creature as ______ all other animals on earth.A.doB.haveC.isD.are这道题为什么选D.are ?看不懂句子结构"as much a creature as..." - 这里如何分析句法成分呢?
When stocks fall suddenly,many people would sell as soon as they can.Well,not Thomas,even at this very moment,he is hangging on to the stocks,hoping their value will increase.hang on 为什么还要再加个to阿? 而且从句意看应该是例举说明,实际并没有发生吧?那为什么它...
看一篇介绍vr技术的文章有一句话the research showed that students felt comfortable
taking risk when playing game。翻译意思是研究表明学生们在玩游戏时会乐于冒险。我认为在这句话里作表语的形容词comfortable和taking risk之间缺少了介词,可以是t...
...到的句子,句子的时态有点无法理解:It did not come up at the trial on Tuesday, but it has been reported previously that Kayla Mueller was handed over to Baghdadi, who allegedly raped her repeatedly before killing her.句中加粗的两处,为什么不用过去完成时,明明这...
What are you doing there?Something is inthere.第一句这种比较常见,第二句今天看美剧碰到的,有什么语法知识点在这里吗?还有比如 home:go homestay at home为什么home前面这里一个用加,一个不用加呢,以前知道这么用,但是不知道原因,请教一下...
1.Our new English teacher, who is said to have moved back to China, ___A___ in America for almost ten years.A.livedB.has livedC.was livingD.had lived请问这题为什么不选D呢,老师已经回来了,说明待在美国是发生在过去的过去,而且for+一段时间,为什么不...
...e us to understand how complex cultural behavior arouse and what guides it in evolutionary or cognitive terms. 主要问题在前半部分:老师讲“what is unique”前面是动词,所以“what is unique”是宾语从句。可是out不是介词吗? 有一个猜想不知...
...中华鬣羚和小麂)的区域,栖息环境对大熊猫变得不利。In such places,
circumstance tends to fit for forest musk deer and Asiatic black bears and two
other cloven-hoofed species, Chinese serow and Reeve's muntjac, where tends to unfit for pandas. 这句话最后的从句离主...