形容词sore、动词hurt、ache，适用的疼痛部位有没有什么规定？还是所有部位都可以使用？比如：I have a sore throat. 是否可以表达为: My throat hurts/aches.My neck hurts.是否可以表达为：I have a sore neck./ My neck aches.
When he came back,he found the bag he had ______ over the seat was
gone.A.left hanging B.left hung答案是A,请问为什么不能选B？hang不是有及物动词的用法吗？那bag和hang之间的关系为什么不是被动的？
About 12% of Americans (43 million) are considered poor, and yet they
are employed. They earn an individual
income below $12,140 per year, and slightly more than that for a family of two.
If you include housing and medical expenses in the calculation, it raises the
percentage of Americans living in ...
TIME杂志，2012年2月14日电动车的一篇文章。Kilometer per kilometer, electric cars in China beat out conventional vehicles as among the worst environmental polluters. Kilometer per kilometer是什么用法，查字典没找到这种A per A的用法
A visually-challenged man
from Beijing recently hiked (徒步)
40 days to Xi’an, as a first step to journey the Belt and Road route (路线) by foot.上面的文段摘自2022年高考英语全国甲卷（全国卷Ⅱ）的完形填空。请问visually-challenged如何理解？
We don't want to have to show panic.We're not going to show panic and that's exactly what I did.1）使用have to = 不得不，必须， 句意怎么理解？感觉去掉have to才通顺。2）为什么不是说We will not show panic...用be going to用意是什么？
Recently, _______ South China was hit by _____ unexpected heavy rain, which caused severe flooding.A. x; an B, x; x C. the, an D. the the答案为A ， 第一个空为什么不用 the 呢？谢谢！
Chef Marc Forgione made his name with a "new American" approach to food.上文可以改为这样吗？Chef Marc Forgione made his name to food with a "new American" approach.两句话有什么不同？谢谢老师的回答。
She smiled wordlessly through her tears and squeezed his hand, exchanging with him in the one brief gesture a lifetime and more of devotion. in 是表示用什么方式的意思吗？比如和 in a low tone 是不是一样的。