Question

Where you (to go) next summer? – I (go) to Greece. Lo de paréntesis tiene que estar en futuro simple

Answer 1

Se puede usar will o going to. Como se refiere a un plan, es mejor going to.

Where are you going to go next summer?

I'm going to go to Greece

Answer 2

Respuesta:

Where are you going to go next summer? I am going to Greece

Explicación:

Recuerda que:

+) pronombre + to be + going to + verbo + complemento

ejemplo: You are going to work tonight

-)pronombre + to be + not + going to + verbo + complemento

ejemplo: You are not going to work tonight

?) to be + pronombre + going to + verbo + complemento

ejemplo: Are you going to work tonight?