Ответ:

1.

your

their

my ... your

her, ... mine

his

our, ... their

my, ... your

2.

our apartment is bigger then your

who is his parents? and what about her?

this isn't my phone

my eyes are gray, and your are brown

your toys are old and our toys are new

my phone doesn't work. can i use your phone?

this evening I'm going to cinema with my friend