Respuesta:
Aquí tienes las respuestas utilizando el presente continuo:
1. **What are your parents doing now?**
- My parents are watching TV now.
2. **What is Fred doing now?**
- Fred is playing basketball now.
3. **Where are you having now?**
- I'm having lunch at a restaurant now.
4. **Are you drinking cake now?**
- No, I am not drinking cake now. (Nota: La pregunta parece tener un error; debería ser algo como "Are you eating cake now?")
5. **Is Mely visiting her grandparents now?**
- No, Mely is not visiting her grandparents now.