Donald Trump swept to victory in Tuesday’s Republican caucuses in Nevada, following his primary triumphs in New Hampshire and South Carolina. 请问如何理解句中的 following？following 的逻辑主语是？
老师好，看英语字典的解释说：amount 和 bottle 都可以表示数量，那么：The amount of water is 3l.That bottle of water is 1l.这两个表达对吗？看字典例句：He needs that amount of money to survive.(这里明明说的是那一笔钱啊，为何又说数量呢？）
The manager was unaware of the points engaged, so his understanding about the matter was quite arbitrary.请问这句话中engaged的是什么含义，是形容词还是动词用法？我在字典上查到的用法似乎都讲不通，请高手帮忙解释。
Not until Dec. 2003 was he caught by the police.= He was not caught by the police until Dec. 2003.Not until Dec. 2003 had he been caught by the police.= He had not been caught by the police until Dec. 2003.为何第二句话主句的时态错误?
The park was full of people, ________ themselves in the sunshine.A. having enjoyed B. enjoyed C. enjoying D. to enjoy公园挤满人，在阳光下尽情享受。enjoy的逻辑主语是 the park 么？我怎么感觉应该是 people？该怎么解释呢？谢谢老师！
corporate social responsibility has become a key element of corporate events and event sponsorship. Discuss the benefits of this to a business, discuss the potential negative issues. 这里面的this指的是corporate social responsibility还是corporate events and event sponsorship