Where is Paul’s family going over the holiday?这是2019版人教版高中英语新教材必修一的 Unit 2（p24）的句子。请问为什么用介词over，可以改用in, on 吗？over the holiday, on the holiday, in the holiday有什么区别？
Fossil charcoals tell us that wildfires have been part of life on Earth for as long as there have been plants on land. That's m ore than 400 million years of fire.
But what’s really wonderful is that, sometime between that important day in 1988 and today, my self-image stopped being about how I look and began being about how I feel.stop being和began being疑问。为什么要加being？
...How
did you like the Beijing Opera yesterday?David: Wonderful! I have read about the Beijing Opera online.以上对话出自北师大高中英语必修第三册p25。这里的
Beijing Opera 前面为什么加了定冠词？但北师大高中英语必修第三册在第12页有这样一句：How
would...
...s. And when/if they do ask for help, they’re less aggressive about it.That’s according to a study that followed students from the third grade through the fifth, ___59._____(publish) in the journal American Sociological Review. Part of the difference in how kids act ___60.____(come) f...
The resistance experienced when one body moves over another, with which it is in contact, is called frictional force. 1)句中experienced是非谓语，相当于done, 和the resistence有被动完成关系，我无法理解这里的experienced词汇被动含义？2)moves over another: over如...
Q: Is there changing room?A: Yes, just down here on the left.主要是对答句不解，词都很简单，但感觉不知道怎么翻译，平时看到的here前面的down都是跟一个动词构成短语（比如sit down here），在这句里如果表现向下的意思，就是“下到这里”...
...一家人被迫开始迁徙。迁徙途中出现这样一句话：And no sooner than she did, their cave was destroyed and everyone had to go on this long, sucky walk with some weirdo they met...and die!（其中she did指女主半夜偷跑出去。）请问这里的go on是整体理解为“继续...
one of the most persistent things I see people get wrong about the concept is that it equates to being “nice.” one of the most persistent things 名词短语做主语 I see（that 省略） people get wrong about the concept 宾语从句作 定语is （is that it......）是系动词（谓语...
...没提。谢谢老师！以下是原文：We've learned three big lessons about relationships. The first is that social connections are really good for us, and that loneliness kills. It turns out that people who are more socially connected to family, to friends, to community, are happier, they're ph...