Замените выделенные слова личными местоимениями.
1. Peter helped the pupils to translate the text. 2. Mother asked Mary to wash the plates. 3. My friend writes a letter to his sister. 4. Jane took 3 books from the library. 5. His cousins live in Moscow. 6. Our grandfather and grandmother will come tomorrow. 7. Mary works in a shop. 8. A boy and a girl are swimming in the river. 9. John is a doctor. 10. The dog is sleeping.