Answer:
1. Abhay's book has been stolen.
2. These boys aren't interested in football.
3. We're excited about the trip to Mahabalipuram.
4. Mr Singh can't come to the meeting today.
5. Deepika isn't the captain of our basketball team.
6. These chocolates look expensive. They're definitely worth more than a hundred rupees.
7. Mrs Jain won't be discharged from the hospital today.
8. Where is Anuja's bag?