This is my pen and that is (your / yours) pencil This is our office and that is (your / yours) This is his desk and that is (her/hers) This is my book and that is (sheir/theirs)

1. This is my pen and that is your pencil. (Это моя ручка, а это твой карандаш.) 2. This is our office and that is yours. (Это наш офис, а это ваш.) 3. This is his desk and that is hers. (Это его стол, а это - ее.) 4. This is my book and that is theirs. (Это моя книга, а это - их.)