Especially now, yeah, but this situation will become better, and all you have to do is planning now and you cannot stop planning when everything is calm again.这里用when我不太能完全理解这个句意，用before似乎个合理一点？请老师给出指点。
This is the question about which we've had so much discussion这句话中为什么要有个介词about？Everything that he said seemed quite reasonable这句话中为什么又没有介词了？介词什么时候，用什么时候不用？？
...cist."这句部分倒装，助动词置于主语之前，那是不是少了个called之类的谓语动词呀？改成Seldom were they called "pig" or "fascist." 可以嘛？
2. 这段是这篇文章的第二段，我没有改：
On the other hand, campus police at U.C. Berkeley and U.C. Davis, pat...
And, yes, the sheer intoxication that comes from belonging to a crowd that has suddenly found its voice, and which demands to be heard. 请问这句话结构怎么分析呢？怎么感觉是个名词呢？and which又是修饰的什么？谢谢老师！
在天津人民出版社出版2006年6月第3版《非常讲解·八年级英语教材全解全析·上》p.97 上，有这样一道单项选择题：They two helped ____ and got to the top of the mountain in the
end. A. both B. each other C. one another D. him该书p.100所给的答案与提示是...