Загрязнения по классификации Г.В. Стадницкого и А.И. Родионова (1988 г.), приводящие к изменению мест обитания популяций, а также

Was he my best friend?He wasnt my best friend.2,Did I have any notebooks or pencils in my briefcase? I didnt have any notebooks or pencils in my briefcase.3 Does she go to the university every day?She doesnt go to the university every day.Do we work at the research department?We dont work at the research department.