Exercise 1.3. Translate into Russian. Explain the use (внедрение) of definite

Exercise 1.3. Translate into Russian. Explain the use (использование) of definite
(определенных) and indefinite (неопределенных) articles:
1. Last week I met my friend. He was with a young girl. The girl was a student of our Academy. 2.
This is a pencil. The pencil is red. 3. She is a teacher. She is our teacher of English. 4. It is a lake. The
lake is deep. It's one of the deepest lakes in the world. 5. There are many flowers in your garden. The
flowers are beautiful. 6. Did you write a plan? Give me your plan, please. Is this plan effective? 7. The
Black Sea is in the South of Russia. 8. This is Mike. He works as an engineer. Mike is a highly qualified
engineer. 9. There are some schools in our street. The schools are new. 10. Gagarin was the first
cosmonaut of the world. 11. In summer the sky is blue and the sun shines brightly. 12. The Petrovs are
very friendly. 13. This is Ann's book. I don't like such books. 14. Winter begins in December.