—How do you deal with their objections to our plan？—I think we can safely ______them since our plan is made on a scientific basis.

With science and technology advancing, plentiful kinds of medicines are being developed to _____ us of our pain caused by diseaese.

I got out of the taxi, ___ the fare and dasked into the station.

       with College Entrance Exam slogans, the walls of the classroom look better．

---I came all the way to inform you of the time and place of the meeting. ---You could have _____ yourself the trouble.