it is of importance for sb to do像这种it is of +n +for sb to do的用法有吗?

请问It is of vital importance...这里为什么会有of?一般感觉不是应该是It is vital important...或者It is a vital importance... It is of great importance for college students .不用of句子是不是也成立? it is of great importance of watch tvin a wise ad smart way翻译 it was not who is right but what is right___is of importance.问为什么填that? The question is of great importance that it cannot be neglected是什么从句 It is difficult to ________ the importance of the decision.assessattachassignassemble In doing so,it is guided by the criteria of systemic importance,solvency and sufficient collateral. It is not who is right but what is right ()is of importance.应填入that,为什么? (1) It is not who is right but what is right that is of importance.please explain 1.It is an unimportant matter = it is a matter-------?A.of no importance B of importance C.no importance D.of not importance matter后面不是经常加of吗?2.This is an area of rich -----?A.tirp B.soil C.mud D.land 无从下手啊3.There is no ---f 翻译The matter is of great importance. But it is a pity that there are a lot of people who do not konw the importance of the be of +名词=形容词 是怎么回事,能否举几个例子?我能说It is of importance. They are a precious part of our cultural heritage--it is of vital importance that we do something.I Knowledge is of great_______(importance/important) 填什么?Maybe we will______this Wednesday_______（放假）,because it is women's Day It is not who is right but what is right ___ is of importance.A.which B.it C.that D.this高考英语 it is of importance for sb to do像这种it is of +n +for sb to do的用法有吗? It is difficult to _____ the importance of the decision.1.assess 2.access 3.judge 4.identify