Why is ' mi abuelo es argentina" in correct?

What does this make? ? el pan + el jamón + el queso =

¿quién está hablándole a antonio? su mamá ¿porqué antonio no se va a trabajar a la hora hoy? porque tiene un horario diferente. ¿qué le dice su mamá acerca del frío? que se ponga una chaqueta. these are all the right answers for spanish 2 edge

Question 1 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. yo a leer el libro ayer. (empezar) answer for blank 1: question 2 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. ellos a trabajar. (empezar) answer for blank 1: question 3 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo empiezo answer for blank 1: question 4 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. yo buena nota. (sacar) answer for blank 1: question 5 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo busco answer for blank 1: