Correct Olivia es de Argentina. You Answered Es Argentina. Es AIncorrect accent or capitalizationrgentina. correct El profesor es de Alemania. You Answered Es Alemán. Es AIncorrect accent or capitalizationlemán. incorrect Carlos y yo somos de Canadá. You Answered Son canadienses. SonIncorrect or extra word canadienses. correct La turista es de Costa Rica. You Answered Es costarricense. Es costarricense. correct Los ingenieros son de España. You Answered Son españoles. Son españoles. correct Margaret y Anne son de Inglaterra. You Answered Son inglesas. Son inglesas.

"Olivia es de Argentina". The correct answer is: "Es argentina", because the feminine demonym of Argentina in Spanish is "argentina"."El profesor es de Alemania". The correct answer is: "Es alemán", because the masculine demonym of Germany in Spanish is "alemán"."Carlos y yo somos de Canadá". The correct answer is: "Somos canadienses", because the general demonym of Canada in Spanish is "canadiense" and for plural cases a word "s" is added at the end. The demonym does not have a difference between feminine and masculine."La turista es de Costa Rica". The correct answer is: "Es costarricense", because the general demonym of Costa Rica in Spanish is "costarricense". The demonym does not have a difference between feminine and masculine."Los ingenieros son de España". The correct answer is: "Son españoles", because the masculine demonym of Spain in Spanish is "español" and the masculine plural is "españoles". "Margaret y Anne son de Inglaterra". The correct answer is "Son inglesas", because the feminine demonym in Spanish is "inglesa" and in plural an "s" is added at the end.

Note: In all cases, the verb goes as in the respective principal sentence.

So are you supposed to find out what it means in english?

Ithink it is d but dont beleive i really dont you to get it wrong.
why dont you use a translator. just download the google translate app that allows you to gake a photo and then it translates everything for you.
well i hope that works and good