| A | B |
| its | The tree lost ___ leaves. |
| laboratories' | Both ___ experiments had the same result. |
| mine | This jacket is ___. |
| yours | Is this cat ___? |
| family's | My ___ home is over there. |
| families' | All three ___ cars are red. |
| man's | One ___ dog ran away. |
| men's | The ___ wives work together. |
| girl's | The ___ name is Beth. |
| girls' | Both ___ rooms are upstairs. |
| hers | All the books are ___. |
| theirs | Are these toys ___? |
| brother's | This used to be my oldest ___ bike. |
| brothers' | The ___ haircuts are alike. |
| teacher's | I asked for a ___ advice. |
| teachers' | The ___ lunches are ready. |
| aunt's | I'll go to my favorite ___ home. |
| aunts' | My two ___ smiles look alike. |
| boy's | That ___ height is five feet. |
| boys' | We hid the ___ jackets. |
| country's | The class sang our ___ national anthem. |
| countries' | The treaty helped both ___ citizens. |
| witness's | The officer took the ___ statement. |
| witnesses' | All the ___ descriptions of the accident were the same. |
| laboratory's | The explosion broke the ___ window. |
| ours | These pencils are ___. |