Как правильно? what's he/his phone number? she/her favorite subject is english. the children like they/ their school. is it you/your pencil case? its/it's my room. we/our are a happy family.where are they/their now? this is my pet.it's/its name is fluffy.
Her favorite subject
It's your
It's my room
We are a happy
It's is fluffy