...he train had started to go2.
You are not going out until you have finished this.before通常表示主句的事件发生于从句火车开动前，如，i had arrived there before train
started to go,但如果按照这个逻辑来看第一个句子，会发现从句的时居然先于主句？这是...
Emissions from coal and oil burning power stations are blamed mostly, but Britain insists the case against acid rain in general and its contribution in particular is far from proven.请教老师，本句如何翻译，尤其是红色部分。谢谢老师。
Patrick and colleagues at Penn State surveyed 651 college freshmen both before and after spring break.They were able to control for student behavior before spring break, which was a strong predictor of behavior during break.
请问这里为何用control for呢，control不是及物动词吗...
...llion infrared telescope launched in December after decades of development and construction, and it thrilled astronomers when it successfully unfolded itself out in space.所以这里为什么要用主动语态呢？不应该是望远镜被发射吗？
Calls and emails are monitored using ever more advanced software.这里的using advanced software现在分层次作状语修饰are monitored，逻辑主语应该是人或者公司吧，因为人才会使用软件去监视。但这个句子的主语是calls and emails，就不一致了吧？还是说...
句子："There is one and only one social responsibility of business," wrote Milton Friedman, a Nobel prize-winning economist, "That is, to use its resources and engage in activities designed to increase its profits."解析：1.only的词性2.没看懂书中的解释，从That is开始如何理解...
...意思相近甚至重复的，比如Casse confirmed that his filly coughed and bled from her lungs. # " When she put her head down, she bled from her nostrils, " Casse said. " I wish I would have taped it because I want everyone to see what happens when a horse bleeds.这句话既有...
专家老师好！When
I was a teenager, I felt that I was just young and uncertain - that I was a new
boy in a huge school, and I would have been very pleased to be regarded as
something so interesting as a problem. For one thing, being a problem gives you
a certain identity, and that is one of the...
... bicycle, you don’t use petrol. So they are not
producing carbon dioxide and not cause air pollution.此句，they改成you，cause改成causing。请问they可以不改吗？因为“语境照应”，就像：https://www.cpsenglish.com/question/47374
You’re going to need to set aside about thr...
... 第2段。There is a wall around the city to keep out the hot desert wind and the
streets are narrow ,to provide shade from the sun and allow a breeze to pass
through.后半句话 ",to provide shade from the sun and allow a
breeze to pass through."个人理解是作 the streets are narrow 的目的...
If ever the earth has noticed a system of administration conducted with a single and keen eye to the general interest and happiness of those committed to,it must be the system protected by truth,to which our lives have been devoted to.求教前半句的意思，分析一下句子结构。
Have you ever thought about having a robot friend? A friend to grow with you and share your joys and sorrows? 老师，这里的to grow是不定式作后置定语吗？还是A friend的同位语呢？烦请老师帮助解答一下！而且这里为啥要用不定式呢，表示目的吗？
First and foremost, it is in the group discussion and exchange that we students can have a thorough idea what our peers are reading for the moment, serving as a driving force for our own reading journey.老师，这个what这里是引导的什么从句呢，同位语从句吗，w...