either A. fui or B. era because Spanish from spain is different from other country.
but i'll go for B. era
1. Tienen
2. Termino
3. Quieren
4. Tenemos, debemos
5. Ver, termine
6. Tomar
7. Ver or leer
8. Tomar
9. Tiene, estudiar
10. Van, quiero
I think these are the correct answers.