Nadie.
Patricia is supposed to respond with the opposite of whatever Victoria says. Victoria said, “I’m going to speak with someone.” Therefore, Patricia should said “I’m not going to speak with anyone.”
Double negatives are allowed in Spanish, so the correct word which is the opposite of “alguien” is “nadie.”
The pronoun when talking about a grandmother is abuela
The correct answer is a ella le gusta
Cuando nos levantemos del sofa, se iremosa la cocina.