Open the brackets putting the verbs into Past Simple or Present

Open the brackets putting the verbs into Past Simple or Present Perfect:
11. Last December, many forecasters (to predict) a volatile year for this sector. 12. Over the past year, investors experiences with large-cap stocks (to range) from dissappointment, as with IBM, to outright disaster, as with Yahoo. 13. The industry (to make) great progress in sustainable forest management. 14. She never (to be) outside her town, but always (to dream of) travelling. 15. The intergovernmental conference on European Political Union (to begin) without a clear agenda or plan. 16. The end of cold war dramatically (to alter) the European security enviroment and (to generate) new pressures for foreign and defense policy cooperation. 17. Since 1979, Soros, a native Hungarian, (to plough) more than 100 m of his speculation profits into funding an 18-strong network of foundation spanning central and eastern Europe and Russia. 18. Soros (to make) his name as the billionaire benefactor of the eastern bloc. 19. Professor Tim Hopkins (to be) the Managing Director of Lombard Street Research since he (to found) the Company in July 1989. 20. Chinas exports to the United States (to grow) by 1600 percent over the past 15 years, and US exports to China (to grow) by 415 percent.