1. I wonder where I left my glasses.
2. Did you know that John is planning to call a meeting?
3. Do you know if they have ever had a hit single before?
4. I want to know when you are leaving.
5. I doubt that he told the truth.
6. Could you tell me where the nearest swimming pool is?
7. She wondered who left that message on our answerphone.
8. He wanted to know what time they are due to arrive.