where on earth in a sentence

Examples

1. And where on earth did that benefit world sport?
2. But where on earth would the students come from?
3. Where on earth would " Nova " find his likes again?
4. Where on earth is this notion of a 30 year sentence coming from?
5. Where on earth do they get these ideas?
6. Where on Earth would you go to find a place that looked like Tatooine?
7. Where on earth does he get these numbers?
8. And wondering where on Earth he came from.
9. Where on earth did that " bizarre " suggestion come from !?
10. Where on earth do comments relating to " possible malware " come from ?!