1. many people understand (theirs , their ) pets . 2. gail talks ( her , hers ) all the time . 3. she understands ( their, theirs ) special language . 4. 1 understand ( my , mine ) cat very clearly . 5. hannah understands ( her , here ) cat, too . 6 . hannah"s cat often plays wint , mine ) . 7. perhaps they talk about their, theirs ) owners . 8 . do you understand ( your , yours ) pets ?