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问题 the fabric of space-time是什么意思

Scientists made an extraordinary announcement today—for the first time, ripples known as gravitational waves have been observed in the fabric of space-time.请问：the fabric of space-time 在句中的什么意思？

问题 how many句式（后面为什么接陈述句词序）

And look how many strangers there are here today……请问how many后面不是跟疑问句式吗？所以不是are there，但是这里用了there are，是因为整个句子是陈述语序，所以how many后面也跟的陈述语序吗？那是不是大多数疑问词也是这种用法呢？

问题 How'd you know...中的 how'd 是什么省略

How'd you know I wouldn't go through with it?这句话中 how'd 是什么省略？I wouldn't go through with it 是将来时的虚拟语气吗？

问题 take sb's place 与take one's place有什么区别

老师：您好！这里的 sb's与one's有什么区别!谢谢！

问题 There is something to be said for ……怎么理解

Also,there is something to be said for students being more independent learners, and online learning develops this skill.there is something to be said for 怎么理解，这句话的意思？

问题 take a picture of him（of是动宾关系还是表示关于）

take a picture of him，of是动宾关系还是“关于”关系？另外，a picture of sb 中picture 好像也是同源动词演变的名词。

问题 翻译：Everything will get worse before it gets better

Everything will get worse before it gets better. 句子意思很简单，但翻译出来总感觉不高明。我的翻译是：在变得更好之前一切都可能变得更糟。请教专家老师，改进一下，谢谢！

问题 I got my hair dyed red.中red是什么成分

I dyed my hair red.是主谓宾宾补。I got my hair dyed red.前面是主谓宾宾补，后面的red是个啥？

问题 what和it在同一句话中矛盾出现？

...e Aircarbon to make a dent ?(大致意思是： 你认为像空气碳这样的塑料替代品需要做些什么才能减少碳排放呢？)这句话，是不是it's要改成is 呢？不然what和it成分怎么分析呢?

问题 originate和stem解作“起源（于）”时是否有被动形式？

...ng the creation and organization of knowledge.答案将stemmed 改为主动的stemming。请教老师，有无be stemmed from 或be originated from 这种说法？此出用主动和被动有何区别？谢谢！

问题 分析：It has been mostly sharks and seals.

They find all sorts of sea life along the beaches but it has been mostly sharks and seals.老师好！这道阅读理解题里的划线部分it has been mostly sharks and seals怎样翻译和分析语法现象？谢谢！

问题 retire from dancing 如何翻译

...nge.这是2022年高考英语全国甲卷（全国卷Ⅱ）阅读理解C中的一个句子。不知道如何翻译 retire from dancing。求教大师！谢谢！

问题 为什么 everybody后面不能用 his or her 来指代

PEU第三版有这样一句：When everybody had finished eating, the waiters took away their plates. 每个人都吃完了以后，服务员就把他们的盘子拿走了。(不能说：…his or her plate.)

问题 be such as to do sth是什么结构（它完整吗）

在答疑网看到这么一句：His bad behaviour was such as to anger everyone.总感觉 such 后面好像少一个形容词，是这样的么？

问题 have expectation on sth.介词为什么用on不用in

这是个固定搭配吗？不是的话为什么不用In.原句：These people might have higher expectation on their developments in urban area.