Answer:1. I "I love going to the plaza to people-watch."2. YOU "Have you ever been to the plaza? It's beautiful!"3. WE "We're going to the plaza for lunch today."4. THEY "They always have great street food at the plaza."5. HE "He met his wife at the plaza."6. SHE "She loves to shop at the plaza." The best pronoun to use will depend on the context of the sentence and who you are talking about.