Answer:
In this exercise we need to complete each sentence with the main verb conjugated in present subjunctive or indicative according to each situation. The present subjunctive is used to talk about hypothetical situations or for imperatives.
Explanation:
1. Rosa quiere que tú (escoger) escojas el sofá para la sala.
escoger: escojas (you, familiar)
2. La mamá de Susana prefiere que ella (estudiar) estudie medicina.
estudiar: estudie (ella)
3. Miranda insiste en que Luisa (ser) sea la candidata a vicepresidenta.
ser: sea (ella)