Спишите предложения, подчеркните сказуемое и определите его видо-временную форму. Переведите предложения на русский язык. 1) He has been working at this problem for two years.
2) Our country has developed into a powerful state and has made great progress in all fields of industry, technology and science.
3) They will have made their reports by tomorrow.
4) We had been conducting the experiment for several hours before you came.
When I return to the laboratory, my friends will have been working there for an hour

Roma1971    3   15.03.2021 16:20    7