Can someone help me please?

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

Match the word, country, or name with the correct phrase.match term definition poly glot a)  these are ways of speaking that are rooted in latin.romance languagesb)  this is a person who speaks several languages.migrationc)  it is moving to another country.immigrationd)  it is moving to another region within the same country.

How do you write "ustedes" in a sentence?