问题 In 到后面我就不知道该怎么理解了

Its eight million citizens hail from every corner of the globe, but they are united in the love of their challenging but rewarding city. 译文：它的800万市民来自全球各个角落，因为爱上这个要拼才会赢的城市而相聚在一起。

问题 so as to 引导目的状语从句时的位置

当so as to 引导目的状语从句时，它可以放在句首吗？这个问题比较淆乱，有的说可以，有的说不可以？请哪位老师给出权威的解说和出处，谢谢！

问题 take long to do sth中的long是宾语还是状语

The work won’t take long. 这工作要不了多久。I don’t think this will take long. 我想这事这花不了多长时间。It didn’t take long to arrive at a decision. 没过多久便作出了决定。

问题 It is fun to do与It is fun doing的区别

it is fun doingit is fun to do 这两种句型在意思上究竟有没有区别？

问题 They want to be a teacher....可以这样表述吗

老师晚上好！1.They want to be a teacher.可以这样表述吗？还是一定要teachers?2. I made a New Year's resolution. 为什么名词所有格前面有a? 但是，Here is a Zhang san's book，同样是名词所有格，我觉得要去掉a.谢谢！

问题 would的使用和理解

When I would cry,you would always be there to try to cheer me up.上面的从句和主句同时使用了would，主句里的would always是否表示过去的习惯，是否相当于you used to be there to try to cheer me up？而时间状语从句里的would又怎样理解呢？非常感谢

话题 have/had (never) known sb/sth (to) do...

话题 as they head down the road to independence.

话题 have a much longer time/life to live

话题 Whatever you don't like done to yourself

话题 It is not for sb to do sth

话题 It is foolish for sb to do sth

问题 Susan sat on a chair close to the window.分析

Susan sat on a chair close to the window. 朗文词典中，这句是放在 close 形容词性下的解释。我没理解，如果是形容词的话，修饰哪个名词或代词？

问题 平行结构对称的改错（涉及neither...nor...）

...平行结构对称的问题。误：Henry walked swiftly, neither looking to right nor left.语法书上的改法是这样的：正：Henry walked swiftly, looking neither to right nor to left.1. 如果改为：Henry walked swiftly, neither looking to right nor looking to left. 的话语法上有问...

问题 The quest to do 和 The quest for doing 辨析含义用法？

The quest to study Venus began in 1960 with the pioneer 5 space probe.请教老师： 这里可以说成The quest for studying...吗？