Перевидите предложения,обращая внимание на время сказуемого 1.einstein was the physicist who has developed the theory of relativity. 2.i didnt ring him up before i had finished the work. 3. he will have done his work by the time i am back. 4.why havent you locked through the mail yet? i have had much work to do today and i am very tired now. 5. we have already applied new methods in our research work.

jasmkal    2   09.06.2019 08:40    1