1. Could you turn on the light, please?
2. Jill prefers staying at home at the weekend.
3. Where did you get this dress from?
4. Recently I have given him my mobile number.
5. Do you still want to go there alone?
6. Have you any idea what is she doing now?
7. I'd like to know if we have any time left.
8. Why haven't you told we( you ) are leaving for London ?
9. I don't think anyone is in the office at the moment.
10 It was a good idea to ask him the way to the theater.