1. Do you have much free time these days or are you be quite busy?  

2. I would like to know it when I can expect my order to be delivered.  

3. Do you think whether you could possibly let me know how soon you will have the work finished?  

4. I wonder if you know who it is responsible for cleaning the building.  

5. Tell Roger who did you saw when you were at the police station the other day.  

6. Did Dad mention who he sold him the car to?  

7. You shouldn't leave your homework to the very last minute if you want to get a good mark, should not you?  

8. I wonder it if you know where I can buy something to eat.