Answer:
1. ¿Cuál es la llave?
2. ¿Qué música les gusta a ustedes?
3. ¿Cuál es el estado civil de Britney Spears?
4. ¿Qué es eso?
Step-by-step explanation:
In this exercise you have to elaborate questions according to the statements you have.
1. Your boss aks you to open the door but you have many keys. So in this case you have to ask what's the key?.
2. You organize a party and you want to know the kind of music your friends like so you have to ask them what kind of music do you like/prefer?
3. You need to know the marital status of a celebrity. To do that, you have to ask somebody who knows/likes the celebrity the following question: What's the marital status of (the name of the celebrity)?
4. You are looking at the sky and you see something strange so you have to ask what is that?