it is imperative that?

it is imperative that? it is imperative that you ___there in person. it is imperative for us to remain on good terms 为什么是It is imperative that this mission not fail.而不是It is imperative that this mission don't fail. 英语It is imperative that this mission not fail为什么是It is imperative that this mission not fail.而不是It is imperative that this mission don't fail. imperative imperative It is imperative that we should practise criticism and self-criticism.书中例句,practise criticism it is imperative that you include our office and escrow number on your wire remittance求翻译 It is imperative that you ___ here in time(a)shall arrive(b)must arrive(c)could arrive(d)arrive it is a lot of fun to play with tha panda .同义句转换______ ______it is to play with tha panda . Calling ratification a national security imperative解释一下Calling ratification a national security is imperative tha box is so heavy that I can not carry it 英语翻译It is imperative to have a well defined system turnover process to ensure configuration controlof plant systems is established at the commencement of testing. it is imperative on us （ ） A.to be tolerant of him B.that we should be tolerant of him 选哪个?为什么? Therefore,it is imperative for us to take drastic measures to put an end to 后面接什么是短语还是句子?希望给几个例句 It is imperative that students ____ their term papers on time.A.hand in B.would hand in C.have to hand in D.handed in Is her birthday on May 1thA.Yes,she isB,Yes,it is哪个是正确选项?