заполните пропуски глаголами to be to have в соответствующем времени. перевести предложения. 1) our library ... a great number of books and magazines in all branches of science and technology. 2) Last year we ... at school, next year we ... the second year students. 3) We ... industrial training in the third year. 4) There is a very good library and a computer center in the main building.​