Complete the sentences with the correct form of the words

1. A crew of twelve [ ] worked on The Hobbit.
2. Dora is studying finance because she wants to work as an [ ] in her dad's company.
3. He became the [ ] of the month. Now his portrait is hanging on the wall.
4. The age of [ ] in this country is seventy-five.
5. I'd like to have [ ] working hours and to work from home.
6. The [ ] office is responsible for advertising and selling companies.
7. The factory work was a [ ] job for me. I'm glad that I quit it.
8. Our newbie got a [ ] so fast. I'm curious how he did it. Any ideas?