【C8】______A．beB．beingC．is

The film is about to begin. Please ______ seated.A、beB、areC、isD、being

Thermal expansion of solid is ______ detected by our naked eyes.A．small so as not beB．so s

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

My father ______ sixty next year.A、is going to beB、is to beC、will beD、is about to be

The room is in such a terrible mess. It______cleaned as the landlady said.A．mustn"t beB．mu

A number of books______ missing from the library during the Second World War.A．beB．beingC．