Question

¿Dónde ________________ tú durante el verano?

Answer 1

Fuiste

Step-by-step explanation:

where did you go during the summer

Answer 2

Estuviste

Step-by-step explanation:

There are many possible answers, but the one that fits the most is: '¿Dónde estuviste tú durante el verano?' which means 'Where did you go on summer?'.

Summarizing, the answer is: 'Estuviste'.