Решить умоляю хотяб несколько

1. Helen swam in the river last week. 2. Mike has swum in the lake this week. 3. I bought a book yesterday. 4. We have just bought a new car. 5. They have already read an article. 6. You have written a letter today. 7. I have just rang my granny. 8. Victor was late a week ago. 9. I and my friend have learnt a poem today. 10. My parents have worked at school when they were young. 11. I have visited England in 2010 and I have travelled to Italy this year. 12. The have spoken Chinese when they lived in Chine.

Opening of mikhail lomonosov had enriched many branches of knowledge. developed the atomic-molecular understanding of the structure of matter. during the rule of the theory of calorie argued that the heat caused by the motion of the particles. formulated the principle of conservation of matter and motion. excluded the phlogiston from among the chemical agents. laid the foundations of physical chemistry. studied the atmospheric electricity and gravity. he put forward the theory of color. created a number of optical devices. opened the atmosphere at venereal lomonosov was born on november 19, 1711, in the village denisovka (now lomonosovo settlement) in the family of pomor. in 19 years left to go to school (1731 at the slavonic-greek-latin academy in moscow from 1735 at the academic university in st. petersburg, in 1736-41 in germany). from 1742 associate with 1745 academician of the petersburg academy of sciences.