请问曹老师，when和while这里引导的分别是什么从句，while doing是什么用法？Its Intelligent Transport System tells drivers when roads are crowded, while changing traffic lights and
planning alternative routes that drivers can follow.
Years of experience in the
industry—and failed attempts to use technology—have convinced him that the best
way to check cattle is with a man on a horse.这是2021年新高考全国卷2阅读理解D的一个句子。前面一个网友问了 failed 的用法。但我觉得这里还有一个用法...
If a migrant worker is undocumented, it could mean that he or she isn't legally allowed to be working on the farm.请问老师：上面的例句是真实条件句吗？这里could可能，是表示推测意思吗、表示将来可能性吗？是不是也可以看做属于第一条件句？
...么构词方法为什么用 listen for而不用
listen to▲P3▲between…and…与from…to…比较the day of the dead与All Souls' Day人教版高中英语新教材必修三第1单元练习求答案(1)人教版高中英语新教材必修三第1单元练习求答案(2)▲P4▲over time中间是...
The family moved back to England in 1821, with Nightingale being brought up in the family's homes at Embley, Hampshire and Lea Hurst, Derbyshire.老师，with+动名词短语的复合结构，构成介词短语吗,作状语？
... never met with so many pleasant girls in my life, as I have this evening; and there are several of them, you see, uncommonly pretty.关于uncommonly pretty都是副词吗？如果把pretty理解为形容词，牛津词典查了，也不可以做后置定语。
And after being on his own,
the thought of sharing a kitchen with someone new, adapting to how they, say,
put away silverware, felt overwhelming.老师，帮我分析一下句子成分。想问一下这句话，how they, say,
put away silverware…，为什么they后面有逗号？
...you think of more words like these ?2）Think about everything in the face and neck, being relaxed and the placement low.上面的句子用think不行吗? 为什么非要在后面加上of, about 呢？请教老师，think of, think about 和 think 后面接宾语究竟有什么使用和含义区别...
It is important to figure out exactly what you want to tell the audience and what you are trying to get them to do.to figure out exactly后面两个并列的what从句是宾语从句吗？