Answer: Quien
Explanation: because you can say quienes and that is plural
1. Tener miedo
2. Tener cuidado
3. Tener que
4. Tener ganas
5. Tener razón
6. Tener mucha suerte
Hope this helps!!!!
Espero q ayude
your answer would be pupusas
*I answered this one in your last post :)