Rewrite the underlined words using more formal words and phrases from В opposite.
1 The book is (mainly) concerned with the problem of policing the internet.
2 (Almost) every school in the county had reported problems with the new system.
3 The work of the Institute is not (only) devoted to cancer research.
4 (Basically), we believe we have demonstrated a significant link between the two events.
5 Several research teams have (had a shot at solving) the problem, without success.
6 The reaction is (typical) of the way large corporations keep control of their markets.