It is necessary that a person______exercises everyday if he wishes to be healthy.A．doB．doe

It is necessary __________ the book immediately.A、that he returnsB、his returningC、for hi

It is necessary that the administration______new workers.A．hiresB．hiredC．willhireD．hire

It is necessary that he_____ the assignment without delay.（2010)A．hand inB．hands inC．must

It is necessary that measures _____ taken right now.A: beB: must beC: will beD: can be

It is necessary that he_____without delay.A．is comingB．will comeC．comesD．come

It is necessary that something urgent______ to combat smuggling.A．is doneB．be doneC．has to