People read newspapers and magazines in order to keep themselves _____ of what is going on in the world outside

ubringmethebillplease _ ，sir,Just a minute

In recent years travel companies have succeeded in selling us the idea that the further we go, ________.[ ]

They are letting us use their computers, and _____we are giving them the results of our research[ ]

下列各句中，加横线的词语运用不正确的一项是（ ）