5.1.
2. had/ate
3. She walked to work
4. It took her (about) half an hour
5. She started work
6. She didn't have (any) lunch/ She didn't eat (any) lunch
7. She finished work
8. She was tired when she got home
9. She cooked/ She made
10. She didn't go
11. She went to bed 12. She slept