Uso de haber
[{"question":"En nuestra calle ...... dos bares muy conocidos.","answers":["est\u00e1n","hay","est\u00e1","son"],"correct":"hay","order":"1"},{"question":"Conozco un bar que ...... muy cerca de aqu\u00ed.","answers":["es","est\u00e1","hay","estar"],"correct":"est\u00e1","order":"2"},{"question":"No ...... nadie en la escuela, todos ...... de vacaciones.","answers":["hab\u00eda, estaban","hab\u00eda, hab\u00edan","estaba, hab\u00edan","estaba, estaban"],"correct":"hab\u00eda, estaban","order":"3"},{"question":"La casa ...... oscura, todas las luces ...... apagadas.","answers":["era, hab\u00edan","hab\u00edan, estaban","estaba, estaban","estaba, eran"],"correct":"estaba, estaban","order":"4"},{"question":"Pasado ma\u00f1ana ...... un concierto interesante, ...... en la Plaza Mayor.","answers":["habr\u00e1, ser\u00e1","ser\u00e1, ser\u00e1","ser\u00e1, habr\u00e1","habr\u00e1, habr\u00e1"],"correct":"habr\u00e1, ser\u00e1","order":"5"},{"question":"En la rueda de la prensa ...... muchos periodistas, ...... m\u00e1s de cincuenta.","answers":["hab\u00edan, eran","eran, hab\u00edan","hab\u00eda, eran","eran, hab\u00edan"],"correct":"hab\u00eda, eran","order":"6"},{"question":"...... muchos los que ...... a\u00a0favor de la proposici\u00f3n.","answers":["hay, est\u00e1n","son, son","est\u00e1n, son","son, est\u00e1n"],"correct":"son, est\u00e1n","order":"7"},{"question":"A las personas que ...... a\u00a0tu lado, ...... que respetarlas.","answers":["hay, estar","est\u00e1n, hay","son, hay","est\u00e1n, haber"],"correct":"est\u00e1n, hay","order":"8"},{"question":"...... que ense\u00f1ar a utilizar estos aparatos que ...... muy fr\u00e1giles de romper.","answers":["hay, son","hay, est\u00e1n","hay, hay","haber, son"],"correct":"hay, son","order":"9"},{"question":"Ahora ...... de moda ...... en contra de todo.","answers":["hay, ser","est\u00e1, ser","est\u00e1, estar","hay, estar"],"correct":"est\u00e1, estar","order":"10"}]