The city of Shenyang, long a moribund center of state industry, is bustling with new private business.请问long是形容词还是副词？修饰句中的什么成分？
请问，这句话错在哪里？Not until the 19th and 20th centuries did modern nationalism in Europe produced its ripest fruit and its lethal poisons.
do it the old fashion way老师这句话还能省略in呢？是固定用法吗？thinking that…，you will 老师想表达“假设你怎么样，你就会怎么样”动名词放在句首这样用对吗？
In 2017，total spending on R&D was 1.76 trillion yuan，a 14% jump compared to the same period 12 months ago.这里的compared是做谓语动词还是做定语修饰前面的jump
老师好！20年高考题 全国卷一B篇阅读理解有个句子：The third book is Julio Cortazar’s Save Twilight: Selected Poems, because poetry. And because Cortazar.请问老师对上面的省略有什么看法
The house cost him 3,000 dollars.This luggage weighs 20 kilograms.薄冰语法书上说这两个有名词做状语的成分。请问老师，这个状语怎么理解？
The eyes and sweat glands are among several body parts studies have shown could be at risk, Moskowtiz said.请问这句话从语法上怎么理解？句子主干是什么？除了主干以外其他是什么成分？谢谢解答！
indicating the quality or aspect with respect to which a judgement is made这是牛津词典是的一个释义，请问with respect to（关于）后面的which a judgment is made是什么结构，宾语从句吗？which是不是不做成分？请老师解答！
Everyone knows now that the sky's blue because of light wavelength absorption differences.请问老师 know that 宾语从句并没有接从句，而是接了个名词，这是为什么？
She said 'hi' with the blithe assurance of someone who knew how much she'd been missed.我懵了。请老师分析句子!
...radio正常工作，如没有电源线或零部件出现损坏。比如，The motor is burnt out and that’s why the radio can't work.
这个句子对吗？Because as the world is becoming a global village, we need it more badly.because 与 as 连在一起了。
The guest invited to my house yesterday borrowed my umbrella when he left. 将这个句子变为完成时，请问这道题怎么变？
while的用法，尤其是while在作并列连词时可以连接什么成分？今天看到一个句子：it is totally effective while at the same time beautiful.为什么可以连接两个形容词呢？
the landmarks that usually cue us in about who we are absent. 这句话我不知道主句成分，以及that引导的定语从句成分，in about是什么意思呢，谢谢老师。