Final answer:
The student's exercise involves filling in sentences with either possessive adjectives or possessive pronouns, such as 'theirs', 'our', 'yours', 'my', 'your', 'their', 'her', and 'mine'.
Step-by-step explanation:
The schoolwork question involves filling in the blanks with the correct possessive adjectives or possessive pronouns. Below are the completed sentences with the appropriate possessive forms.
- I have had dinner. Have they had theirs?
- We have lost our files. Can we have one of yours?
- I have lost my pen. Can you lend me yours?
- You have forgotten to bring your dress.
- They have lost their books. They can use those if they want.
- Riya has forgotten her pen. You can have mine.