问题 undergraduate 可用作不可数名词吗

... was my junior year of undergraduate, and I was doing an independent study on Victorian literature. I had just finished reading The Mill on the Floss by George Eliot, and I was heartbroken with the ending. Prof. Gracie, with all his patience, asked me to think about it beyond whether I liked it or n...

问题 in the period before的before用法

这里的before是介词，还是能引导时间状语从句？

话题 the first Indian born woman in space

话题 In partnership with the University of California

话题 users in the hundreds of millions怎样理解

话题 in such a way在句中做什么成分？

问题 at night, by night, in the night的区别是什么

at night, by night, in the night 这三个短语意思比较相近，一直没弄清它们的区别，请专家老师帮忙讲解一下，非常感谢！

问题 I have been in Beijing for four years的理解

I have been in Beijing for four years.老师，这句话是指“我在北京呆了四年（现在仍然在北京生活）”，是吗？谢谢。

问题 join 和 join in 用于参加活动时的区别

用 joined, joined in 填空：Soon some of the teachers ______ the singing.Some of us decided to _____ the strike.Everyone there ______ the conversation. 除写出答案，也请老师分析一下原因。 

问题 分析: Win a car in our grand prize draw.

请问这里Win a car in our grand prize draw ! 抽中我们大奖的，得一辆汽车!    draw和our grand prize是什么关系？另外，名词可以做后置定语么？

问题 as an accompaniment of the great advances in pure science是在句中做it主语的补语吗？

It seems first to have taken possession of a few minds in the seventeenth and eighteenth centuries as an accompaniment of the great advances in pure science.as an accompaniment of the great advances in pure science是在句中做it主语的补语吗？

问题 in/out of/from the darkness 含义辨析?

The cat's eyes were jewels, gleaming out of the darkness.上句用了“out of”, 是什么意思呢？为什么不是in the darkness ?另外，请教老师out of 和 from 有何区别？例如：gleaming out of the darkness 和 gleaming from the darkness ?

问题 Add sth to sth 和 add sth in sth 的区别

为什么用 Add some milk to coffee，而不能是 Add some milk in coffee

问题 求英文版Advanced Grammar in Use文件

管理员因学习和工作需要，急需最新英文版 Advanced Grammar in Use 文件（pdf 文件也可），本人已有该书“第1版的英文版”以及“第2版的中文版”，现求第2版或第2版之后的英文版。若哪位朋友碰巧手头有该书的 pdf 文件，请分享一...

问题 “参加联赛”用动词join还是take part in

The team joined the Northern League last year. 这支队参加了去年的北部联赛。 请问这里表示“参加联赛”为什么用 join，而不用 take part in 呢？