Fill in the gaps

1. [Provided that|Provided that / As long as|As long as] we [ ] energy consumption, we could help the environment a lot.
2. [When|Unless|When / Unless] I [ ] somebody famous, I would ask them for a picture.
3. Jimmy, I can't do my homework, [as long as / when|as long as|when] you [ ].
4. [Provided that / As soon as|Provided that|As soon as] you [ ] your flight in advance, we could choose the seats.
5. It is prohibited to enter some countries, [as long as|as long as / unless|unless] you don't have the vaccination.
6. When you [ ] a tourist in Europe, you can't hire a car [unless / provided that|unless|provided that] you've got an international driving license.
7. [Unless / Provided that|Unless|Provided that] we stopped global warming, glaciers [ ].
8. You are not allowed to enter the factory [unless|as long as / unless|as long as] you [ ] a security pass.
9. I'll be ready to go [unless|as soon as|unless / as soon as] my sister [ ].