1. I don't know where I should visit this summer vacation.
2. Could you tell me who I should ask for advice?
3. She wondered what the should write in the final essay.
4. I have no idea who I should contact in case of emergency.
5. They can't decide when they leave for America.
6. I'm not sure what i should cook for my son's birthday party.
7. Couid you tell me where i should put my umbrella?
8. He ask himself what he should send her as a present.
9. I have no idea when i should leave for Japan.