He narrowly escaped _______ by the falling tree.
Had you joined the caht room ten minutes ago, you would have known what we _______about then.
It is too bad for someone in such a high _______ in the government to behave badly in public.
—Why are your hands so dirty? —I ____________in the garden.
If I can help ____, I don’t like working late into the night.
—Why not open the windows to let _____cool air in? —I’d rather you didn’t. ________air in out town is terribly polluted.