Unscramble these questions. Add 'was/were':

1. you / in the last party / who?
2. you / where / last period?
3. where / your sister / last winter / ?
4. Vanessa / how long/ in costa Rica?
5. I / why / alone?
6. / Who / the principal
7. / more expensive / which book/ ?
8. How much / your laptop ?