Употребите глагол в правильной форме.
Active Voice:
1. The students ……….an experiment in the lab now. (to conduct)
2. Engineers in this country ………… a new model of a supersonic airplane so far. (to design)
3. In several years people ………… computers everywhere.(to use)
4. I……….school before I entered the University.(to finish)
Passive Voice
1. In some years new electric cars ………. by passengers . (to use)
2. A lot of general and special subjects………… by students. (to study)
3. «War and Peace»………by L. N. Tolstoy. (to write)
4. New high buildings…………in big cities now. (to construct)

1.are conducting2.haven't designed3.will be using4.had finished1.will be used2.are studied3.was written4.are constructed