Решение упражнения 7: Вставьте артикль (английский язык)

Вот решение упражнения. Упражнение 7 Вставьте артикль, где необходимо. 1. This is **a** good **book**. Take **the** book from **the** table. Put this **book** into **the** bookcase. 2. **The** weather is fine today. **The** sky is blue. **The** sun is shining brightly in **the** blue sky. 3. This is **a** boy. **The** boy is at **school**. He is **a** pupil. This **boy** is my **brother's** friend. He has **a** cat, but he has no **dog**. He likes his **cat**. He gives **the** cat **milk** every day. 4. Yesterday I received **a** letter from my **friend**. **The** letter was interesting. 5. We live in **a** big house. I like **the** house very much. 6. Are you **a** worker? — No, I am **a** student. 7. I like your **beautiful** flower. Give me **the** flower, please. 8. My **mother** is at **home**. She is reading **an** interesting **book**. 9. My **father** is not at **home**. He is at **work**. He is **a** doctor. He is **a** good **doctor**. He works at **a** hospital. **The** hospital is large.
Запомните следующие конструкции: There is **a** ... Where is **the** ...?