It is a big （) for him to do such difficult work.A. courageB. challengeC. opportunit

It is virtually impossible to persuade him to apply for the job.A．simplyB．almostC．totallyD

Is it necessary （)the book immediately？A．for him to returnB．that he returnsC．his returni

It is difficult for him to make such decision.A.happyB.hardC.easyD.simple

In "It is easy for him to lose temper", "it" is the ______ of the sentence.A．real subjectB

It is out of _____ for all our neighbours to play cards in that big room on Sundays.A．prac

It is _______ that he has to ask for help.A so a big jobB a so big jobC such big jobD s