...ystems argue that these mergers will allow for substantial cost reductions and better coordinated service.中的coordinated是非谓语动词中的过去分词做定语修饰service，应该是被动，为什么翻译的时候翻译的还是协调的，不翻译成被协调的？求解答，谢谢...
I looked around and finally spotted David, who was standing by himself off to the side by a
fence.这是来自2022年高考英语新全国卷2的读后续写的阅读材料的句子。请问这里为什么用
spotted，而不用
saw, find？
We
offer scholarships to low-income schools and youth organizations, subject to
availability. 这是2022年高考英语新全国卷2阅读理解A中的一个句子。不太明白 subject to availability 是什么意思。求解，谢谢！
The headmaster was pleased with what we did. He praised us and also encouraged us to do more to protect the environment.各位老师，请问to protect the environment在这作定做吗？
Since they have not been brought up in English-speaking family and
since they start English chiefly as something writing rather than spoken，they are ignorant
of a great many everyday expressions that are only too common on the lips of
those whose mother tongue is English我有点不理解这里as...
Northvolt was supposed to be a battery pioneer, a symbol of European competitiveness and an example of industrial policy done right.老师好，这是外刊中的一个句子，请问如何分析此处的done right？
曹老师：您好！在传统语法的框架下讨论虚拟语气：It's time we ordered dinner. （虚拟语气）现在该叫菜了。我改写成下面2种：It's time we should order dinner.It's tume we were to order dinner.改写的对吗？分别是什么意思呢？是与将来...
It is the first time that从句
It is high time 从句
It takes sb some time to do sth
It is no wonder that
It is like sb to do sth
it is up to sb to do sth
这些句子中的that从句或是不定式结构是主语从句或者是真正主语吗？it是虚义词还是形式主语？怎么用...