有这样一个句子：What the weather will be like on the day is, as always, the great unknown.
句子开头的What the weather will be like比较好理解，但后面部分的on the day is, as always, the great unknown就不好理解了，请专家老师指点，谢谢！
英语中有些介词可以后接另一介词短语作宾语，最典型的就是 from under，如from under the tree, from under the bed, from under the table 等，请问 in under 也属于类似用法吗？比如下面这个句子：
Who was the first man to run a mile in under four minutes?...
请问老师 in exchange for 和 in exchange of 有什么区别吗？ 我在网上找到了一个 in exchange of 的用法：The human who becomes the owner of the DEATH NOTE can，in exchange of half of his/her remaining life，get the eyeballs of the god of death which will enable him/her to see a...
1. 他是个热心肠的女孩，经常帮助同学。She is a warm-hearted girl, and she always __________.此题答案是 helps her students.我的问题是不加 her 行不行，这里是否又暗藏着某个知识点呢？2. I don't have any family left. 这里的 left 做什么成分...
1. My study being done, I went to bed.2. My study having been done, I went to bed. 以上两个句子都可省略成：My study done, I went to bed. 请教老师，我的问题是现在分词未被省略前，两个句子的意义的差别？ 我认为，第一句作业完成和去...
在语法书上看到两个句子。第一个是： I didn't know it until you told me .第二个是 : I had heard nothing of what had happened until you told me .为什么第一个主句用的是过去式而第二个句子用的是过去完成时呢？这对我的影响好大。。我觉得第...
Without seeming unworldly, William James appeared wholly removed from the commonplaces of society, the conventionality of academy. 句法功能一、with 复合结构，在句中表状态或说明背景情况 该结构常做伴随、方式、原因、条件等状语。例句：1、With ...
will have done 为什么只能表达猜测意味？2020年考研英语（一）完形填空中的第一句话是：Even if families are less likely to sit down to eat together than was once the case, millions of Britons will none the less have partaken this weekend of one of the nation's great t...
下面一句出自 2019 年高考英语江苏卷阅读理解C：However, our fascination with the latest, and our under-valuation of what has already become common, can, and has, led us in all sorts of wrong directions. 这里 can 是与 has 并列，然后搭配 led 吧！说 has led 没有问题...