This is Anna. ___ is my friend. ___ house is very big.
This is Anna. She is my friend. Her house is very big.
Peter is a doctor. ___ works at a hospital. ___ job is very important.
Peter is a doctor. He works at a hospital. His job is very important.
This is my mother. ___ is a teacher. ___ students love her.
This is my mother. She is a teacher. Her students love her.