8.If they had only had one more child, the fact would have passed unnoticed.

If引导虚拟条件句,表示对过去情况的假设;过去分词unnoticed作主语补足语

unnoticed 形容词作状语

He went away unobserved.

I returned home exhausted.

9.Reporters kept pressing for interviews so lawyers had to be employed to act as spokes-men for the family at press conferences.

press for == demand      形象地表达出不停的催问

The company is pressing me for a decision on their offer.

四六级？还早着哪。如果你有这样的想法，估计最后的结局往往都是考前一周甚至一天开始抓狂。明日复明日，明日何其多。给自己一点压力，成就满意的成绩吧。

 新东方新概念英语