Разделите глаголы на 2 группы: действительный залог и страдательный залог (Active

Разделите глаголы на 2 группы: действительный залог и страдательный залог (Active и Passive):

Students receive..., they are discussed..., the scientist has been making..., the experiment has been finished..., the lecture took place..., the substance was replaced..., the labotatory will be equipped..., the engineers will solve..., chemists fulfilled... .