state of 如何使用这个短语?

state of affairs 情况,形势
(因为这里中心词是state,故state of affairs作主语时当单数看待)
以下为词典原句：
1.The present state of affairs cannot be allowed to go on.
目前的情况不得再继续下去了.
2.What a shocking state of affairs!
局势真惊人哪!
3.In the end,this state of affairs results in a slight infection.
最后,这种情况导致了一次轻微感染.
4.That was the state of affairs before the election.
选举前的情况就是那样.
5.How did this dangerous state of affairs come about?
这种危险的事态是怎么发生的?
6.There is no excuse for this chaotic state of affairs.
事情弄得如此之乱,已经没有什么理由可说了.
7.We'd better wait half a mo in such a state of affairs.
在这种情况下我们最好等一等.