Mother had led me to believe the new baby was a kind of present for me.Shawn was just dropping off a pair of new sneakers.I picked up a piece of wood and started carving. 请问老师：a pair of/a kind of/a piece of到底是什么成分？我搜了搜其它的帖子有的把它们称为限定...
Most archaeological sites have been located by means of careful searching, while many others have been discovered by accident.查词典，searching并没有名词词性，那么应该为动名词，动名词的修饰词不应该是副词吗？即carefully searching,这里careful searching怎么理...
Cholera is coming back，warns the WHO，a powerful medical and environmental organization under the UN dedicated to maintaining world healthy.
请问，这里的UN与dedicated之间是不是应该加个逗号呢？
我在语法书里看到专有名词后面是需要用逗号隔开的。
...d in her. He slept
very quietly, without a movement, so that he might have been dead, and he was
like some wild creature of the woods, resting after a long chase; and she
wondered what fancies passed through his dreams. Did he dream of the nymph
flying through the woods of Greece with the satyr in h...
The Three Bears were all around her, so Goldilocks jumped out of bed and hurried out of the house without her basket.这是外研版七年级下册金凤花姑娘和三只小熊的那篇文章。我的问题是，这里的bed明明是实际的床，为什么不加the？
...here are
more than 100 nations in this group and dozens of satellites have been put into
space. (SEFC)
同时，编者还指出：（当前有基数词修饰时）dozen在后接of短语时通常使用词尾加-s的形式，例如many dozens
(hundreds, thousands, millions) of people；但是也可...
Big chains have been collecting sales tax nationwide because they typically have physical stores inwhatever state a purchase is being shipped to.in至句尾在原因状语从句中作地点状语，in后面是whatever引导的宾语从句是吗？如果是，whatever在从句中作什么成分呢?
...re meant the only ones they are allowed to have——those to the men with whom they are connected, or to the children who constitute an additional and indefeasible tie between them and a man.主要是红色这个部分不太清楚是什么语法结构，是一种倒装吗？个人的思考是，原...