With the development of technoledge, ____ mobile phones have more functions, rather than _____ means of communication.
It was __________ back home after the experiment.
Was __________ that I saw last night at the concert?
_________ is a fact that English is being accepted as an international language.
—Each of the students, working hard at his or her lessons, _________to go to university.—So do I.
He speaks English well indeed, but of course not___________a native speaker.