3. Was your car fixed
4. This photo was taken by my uncle
5. Who cooked dinner
6. When was the airplane invented
7. He watched his favourite TV show
8. Robert was bitten by a dog
9. They were interviewed by a reporter
10. I'm sorry. You are not allowed to go inside
11. Pluto was discovered in 1930
12. Why was the party cancelled
13. I really enjoyed my holiday last summer
14. My friend wasn't careful. She fell off her bicycle
15. The room was cleaned this morning
16. When was the story written