问题句：We sit around a fire or lie in bed.请问该句后半部分的 lie in bed 的 bed 前不应有 a 吗——lie in a bed？另，You never feel the transition from night to day 中，night 与 day 皆为单数，为何前处皆无 a 呢？
Much as ______，I
couldn’t lend him the money because I simply didn’t have that much cash.尽管我想借钱给他，但是没法借，因为我没有那么多闲钱。为什么这里用 I would have liked to，不用 I would like to have？“我想借钱给他” 是真实的过去发生的...
上面的句子来自2019版人教版高中英语新教材必修一的 Unit 5（p60）。How many billion people speak the UN’s official
languages as their native or second language?句中用 billion 是为了表示“多”吗？去掉也可以吧？
...高中学业水平考试英语试题的“信息摘录”题：People from the West like to use these words in cases where some people in Asia may not think it necessary.句中为什么用的是 in cases 呢？但在词典上只能查到 in case 这样短语，而没有 in cases 这样的短语啊...
...endangering animals 吗？Endangered animals, such as pandas, also live in the valley.我的理解是：过去分词表示完成吧！这里的 endangered animals 是指频临灭绝的动物吧，说明是即将灭绝的动物，或是正在灭绝的动物，对不对？这就应该用现在分词...
The ruling Communist party's policy allowing all couples to have two children came into force in 2016, leading to a 1.3m increase in births that year compared with 2015.译文：执政的共产党允许所有夫妇生育两个孩子的政策在2016年生效，导致该年出生人数比2015年...
They can appear as a red tide in the daytime but when disturbed at night, however, they glow bright blue.这个句子既出现了but，也出现了however。它们可以同时出现在同一个句子中吗？请老师解答一下，谢谢！
...，从句的时态要后退，下面的句子
我不能理解：I checked the orders instantly. That’s when
we realized we made a mistake.犯错误这个动作发生在 realized 之前，为什么不用过去完成时？我了解主句是said，told 那种，但是像 realized 这种，如何...
CNN 10 《The Year In Review》A presidential election with a conclusion, they delivered us a clear victory.这里的with a conclusion什么用法和意思？还有， delivered us a clear victory. 这是什么意思？ 这里deliver sb sth - 这是双宾结构，但词典似乎没找到。
...me in Mizpah, who should come out to
meet him but his daughter, dancing to the sound of timbrels! She was an only
child.
对应中文翻译：耶弗他回米斯巴到了自己的家，不料，他女儿拿着鼓跳舞出来迎接他。
请问老师，上面的句子，中间插入语部分 who sho...
Be sensitive to how much your friend can and can't offer you--be it time, energy, or help -- and don't step over the line.请问这个句子里的be it time, energy or help怎么理解？这是一个什么语法点？感谢解答！