Which word or phrase correctly completes this sentence?

roberto puerto rico.

¿qué fecha es el día del año nuevo?

Fill the blank with a la, a los, a las, or al. los alumnos .

Which in spanish an example of: 1) a comparison between two unlike things, and 2) something that you consider the best. when creating your two sentences make sure to use the following expressions: mejor que, peor que, el/la mejor, el/la peor