The boys in our school are and at football

The boys in our school are better and better at football than the boys in other schools in the town. Мальчики в нашей школе лучше и превосходнее в футболе, чем мальчики в иных школах города.

The boys in our school are not better and better at football than the boys in other schools in the town.

Are the boys in our school are better and better at football than the boys in other schools in the town?

The boys in our school are better and better at football than the boys in other schools in the town, are not they?