1.1.
My book, her pen. our room, his dog,your schoolbag, their room, your car
1.3.
1. He helped the pupils to translate the text.
2. She asked Mary to wash the plates.
3. He writes a letter to his sister.
4. She took 3 books from the library.
5. They live in Moscow.
6. They will come tomorrow.
7. She works in a shop.