Choose the right word for each gap.

1. Parents ... vigorous action to be taken immediately to stop bullying in schools.
2. We need to find a ... for Jenny because she is planning to quit.

3. He was invited to ... on the history of ancient Greek art.

4 . There have been radical ... to the tax system.
5. She was awarded a prize because she made a very positive ... to world peace.

6. The new factory will ... thousands of jobs.

7. The film was praised for its treatment of the ... of the war.