...iet should be maintained and that （that）health is the wealth hasbeen accepted by most people.句子中health前面儿作为第2个宾语从句，需要一个that，作为主语从句也需要一个that，那么两个that的用法是必须？还是不可以？或是”可不可以”都可...
Mr Titterton is chairman of the Omega Ensemble but hasbeen the group’s
official page turner for the past four years. His job is to sit beside the
pianist and turn the pages of the score so the musician doesn’t have to break
the flow of sound by doing it themselves. He said he became just as ner...
Before the reform and opening-up policy, Shenzhen was nothing but a small fishing village which has a population of over 30 thousand people.这里为什么用 which? 可以用 where 吗？
老师，我在一部电影中看到这么一句话：We have all been through this before. 我们以前都经历过这种情况。请问这里为什么要用been？还有，这里的through怎么理解？是看作形容词吗？如果让我写，我会写成：We have exprienced this before.我造...
...f scientists of our times.A. are to challenge B. may be challenged C. have been challenged D. are challenging老师，till是不是现在完成时的时间标志啊? 这道题怎么翻译啊？为什么要选择现在完成时啊？请老师详细讲解这道题!
We use current COVID-19 infections to mean testing positive for SARS-CoV-2, with or without having symptoms.老师们，这里的with or without having symptoms感觉很别扭，好像它是一个独立的存在，请老师帮我解析一下这个短语的作用
...问题。原句如下：Vaccines donated next year will be far too late for those who are dying
today, or being infected today, or at risk today. 来源是https://news.un.org/en/story/2021/06/1094342.基本上好题老师的意思是需要将Vaccines donated next year 改成Vaccines to be
donated ne...
Groups of five or more
require special arrangements and must be confirmed in advance. Please review
the List of Available Projects and fill out the Group Project Request Form.这是2024年高考英语新全国卷1的一个句子。请问这个groups of five or more是什么意思？
...ure were two fundamental questions: first, how could Greek literature have been born ex nihilo* with two masterpieces?were对应的主语是什么？如果对应的是 heart，那为什么是 were 而不是 was?如果对应的是前面一整句，但是这个 At 是怎么解释呢?