...s mathematical calculations led to the same conclusion: that the earth was not the centre of the solar system.句子来自人教版高中英语教材必修五的Unit 1。有人说句子中的 that the earth was not the centre of the solar system 是同位语从句，但为什么又在前面用了冒...
辅导班一道题：
用 must / have to / had to / mustn't / needn't 填空：
We didn't have any food yesterday, so we _______ go shopping.
老师给的答案是 have to。我认为 so we _______ go shopping 未给出时间，应该一般现在时 have to（现在去买）、...
The most recent Sinicization I can think of, that of the Qing dynasty and the wider Manchu ethnicity, occurred from the late 17th century on, as Manchus living in China were assimilated into their environment while the Manchu home...
...has been written for you.习题原句：All forms of life need water for existence. (vital)Water is__________________________________.1) 我认为会用到有关vital的短语即： be vital to 和be vital for. 请问这两个短语有何区别？我查到的资料是 "be vital to" refers ...
Children need to be educated on the dangers of drug-taking. 问题1：构词法是规定先宾语后动词吗？drug-taking是否可以改为taking-drug?问题2：句子是否可以改为： Children need to be educated on the dangers of taking drug.
The trip, under way as The Economist went to press, began in Saudi Arabia (whose king, Salman bin Abdul Aziz, is pictured with Mr Xi).句中的 under way 作副词修饰 the trip。请问在英语中，副词可以修饰主语或名词吗？
请问这句话有没有错误？请帮忙分析一下句子结构:HRP is a process by which human resources are identified, determined and planned that an organization needs in order to meet both its short term and long term requirements.
Point zero, from where all distance to and from Paris are measured, is marked by a plate directly in front of Notre-Dame.老师好，from where 是不是应该是from where……是什么结构我觉得应该是from which……
...equalized.в)some windows should open partiallyD) there should be some windows partially opened.请问这道题应该选哪个? there should be除了表示推测之外，能否表示:应该。?（二）夸克4.49在情态动词中...