Here are the suggested completions for the sentences:

1. The crowd **was/were** growing restless as the day got hotter.
2. Sony **has/have** announced rising profits for the third year running.
3. The police **have** issued a warrant for Adamson’s arrest.
4. When she was found, her face was bruised and her clothes **were** torn.
5. The public **has/have** a right to know how the money is to be spent.
6. Thomas was thought to be in Spain, although his exact whereabouts **were** unknown.
7. The stairs leading to the exit **were** steep and dangerous, said the report.
8. Lord Travers’ family **has/have** lived in the house for twelve generations.
9. The college **has/have** spent over £500,000 on a new sports center.
10. People **were** running in all directions, trying to get away.