查字典，有固定搭配 part of sth or sb。part 前一般不加词。但是下面这句：Everything that you learn becomes a part of you and changes you。请问 a part of 和 part of 的区别？请问英语有 many parts of 的说法吗？
...的 sit 属于“近似于不及物动词的系动词”：He sat silent (or idle,
cross-legged, thinking, writing a letter, surrounded by friends). 动词 sit 后面接形容词 silent, idle 等时被看作系动词还可以理解，但它后面接的现在分词 thinking,
writing a letter 也看...
You'll all have used one at some “stage”of your life already. 这里的stage为什么会是单数呢，人生阶段，应该也可以翻译成 stages of life吧，如果是人生的某一阶段，可前面又怎么有个“some”？
这个句型will have done在这里应该是表猜...
Oh, yes. You were looking at variations in climate in the Grant City area, right? How far along have you gotten?how far along 不是问怀孕多久了吗？ 还能这么用？请教老师how far along的用法还有那些？
...吗▲P21▲Not only...置于句首时的倒装born in 可以换成 born into 吗▲P22▲if done 是什么用法▲P23▲further的修饰关系from...to...连接动名词（from doing sth to doing sth）▲P24▲all three of these works 为什么没有加定冠词▲P25▲Beijing Opera 前面到...
What it does mean it that the book business will go through a transformation in the next decade or so more profound than any it has seen since Gutenberg introduced printing from moveable type in the 1450s.老师好，请问一下这句子加粗部分中的it应该怎样理解？我的理解是“it ...
“In the general population today, at this genetic, environmental level, we’ve pretty much gone as far as we can go,”这句话不理解，主要是后半句不懂意思 we’ve pretty much gone as far as we can go,”求解释老师
—The guy standing at the bar is so handsome. Any idea who he is? —He is the guy I ___ you about.A. had told B. would tell C. was telling D. am telling请问C选项怎么解释？过去进行时有特别用法吗？
The test results of the same sample at different measuring points may be different, even with the same analytical techniques.句中even with 是伴随状语还是让步状语成分呢?
At the same time they are conceptualisations, that is, ‘a concrete particular which is charged with semantic and conceptual energy'. 同时它们是概念化的，也就是说，“一个充满了语义和概念能量的具体情况”。particular做名词有详情的意思，请问老师，...
Even among kids the same age, everyone needed a slightly different amount of sleep.请问老师：the same age做后置定语修饰前面名词kids，请问这是省略介词 at/of，还是本身the same age做定语呢？