I would say the first one is the answer
Answer:
1. ¿A qué hora es?
2. Son las
3. Cuándo
4. Es
5. y
Explanation:
Sorry if any are wrong :(
1. sacamos
2. trabajan
3. compra
4. uso
I don’t know the context but the right way to say those sentences are:
Hay cuatro ventanas (there are four windows)
Hat tres puertas (there are three doors)