1. My question was answered yesterday.2. Hockey is played in winter.3. Moscow was founded in 1147. 4. These trees were planted last autumn.5. The letter is being written now.6. This machine is being tested now.7. New subjects will be studied next year.8. He said that is (was) a good specialist.9. He told that he did this work himself.10. We saw that our teacher have just gone out. 11. He says that is (was) an engineer, 12. We'll have a picnic tomorrow if it is a fine day.13. I will wait for you until you come back from college.14. The conference was held in May.15. Machine tools are used to shape metals and other materials.