Ответ:

  1. The textbook belongs to me. This is my textbook.
  2. The printer belongs to us. This is our printer. The printer is ours.
  3. The house belongs to them. This is their house. The house is theirs.
  4. Видимый фрагмент: “Don’t take (him / his) dictionary. Take (me / my / mine).” Правильно: “Don’t take his dictionary. Take mine.”
  5. Don’t tell her the news.
  6. This is my atlas. Your atlas is over there.
  7. This pencil is mine. The other one is yours.
  8. My cat plays with its kittens.
  9. I have got a pet. It’s a kitten. Its name is Barsik. It’s a kitten. Its eyes are black …

Окончание задания 30 на фотографии не видно, поэтому остальные предложения определить нельзя.