1. When didn't Jane take part in the party?
2. Where must we write the answers?
3. How often does Bill feed the pigs and chickens?
4. How long do they plan to build a new supermarket?
5. How often does your father water this flower?
6. Who caused the accident in this city?
7. What does the manager do this morning?
8. What does your father do?/ What is your father's job?
9. How many rings did he sell in this month?