Пожалуйста очень надо !!!)))))Sos
1. Раскройте скобки и поставьте глагол в нужную форму Simple.
1) Our students ( to specialize ) un many fiend of engineering.
2)At that time people ( to develop) useful tools and devices.
3)Next year they (to study) new subjects .
4)Ancient Greeks ( to construct ) a lot of civilian structures .
5)This engineer ( to work ) in the field of mechanics .