Поставьте предлоги где наобходимо 1)i don't think jane is aware__all the facts 2) mr morgan's contribution__ the company's success was really remarkable 3) my flight was delayed so it was a good opportunity__doing some shopping 4)we took the opportunity__visiting the houses of parliament during our trip to london 5)nowadays we see a rapid change__the world__computer technology 6)the new project is beneficial__many children 7) i.levitan was contemproary__ a.chekhov. 8) the students benefited__the new library 9)if he doesn't work harded,he will never achieve__anything