it is urgent 这里表那个人的状态为什么用IT做主语呢

it is urgent 这里表那个人的状态为什么用IT做主语呢 it is urgent 这里表那个人的状态为什么用IT做主语呢 it is urgent.urgent做is的表语,我看书上上表语也是谓语的一种.那主语是it谓语是is urgent对吗? It's been quite urgent!和It is quite urgent! 有什么区别?It's been quite urgent! 是什么意思?如果是“它是真的很紧急”,那么和It is quite urgent! 又有什么区别? 第一个so that 的用法?in conclusion,the issue is so that it is urgent that appropriate action be take to solve it . It is an urgent problem that thegloble temperature is getting high这是个什么从句啊? It's very urgent 是什么意思 it is an urgent thing or us to take effective measures to 求帮忙翻译 what's the definition of bible?Help me !it is urgent!thank you how beautiful the park (it) is!这里的it要吗? It is urgent that the acute problem of air pollution in the city be solved.请问真正谓语是?为什么IT IS引导的句子最后冒出来一个BE SOLVED,这句子是不是错了、 A person's courage is put to the proof in any kind of dangerous or urgent situation.再顺便介绍一下proof的意思和用法吧 这里面proof的意思 句子成分我不明白 麻烦语法好的同学进来看看It is urgent that the acte problem of air pollution in the city be solved 这是倒桩 还是什么 如果后边整个一个句子是主语 那么 be solved 和 is urgent 不是两个系动 it is an urgent thing or us to take effective measures to solve the problem对不? 问一句英语,词汇量大的进!It is urgent for people to stop their( )behavior.句意是,人们急需停止他们（对环境做出的）不正当,过分,不合理的行为（填一个词,大致这么个意思,例如unjustified） it is an problem needs urgent attention to protect some significant sites. 帮忙看看这句话有没有什么紧急我要的是看看这句话有没有什么错误…… 我拒绝打酱油的！！！！ 对who's that 的回答A .it is JimB.That is my father选哪个,为什么?如果不是打电话的用语呢，就是问那个人是谁的， It is worth trying.这里的worth是介词吗