It would be "llegaron". A really helpful tool is to look at some online tables that share regular conjugations for the preterite tense. Hope this helps!
A. el padre de mi madre mi abuelo
b. la hija de mi madre mi hermana
c. el hermano de mi padre mi tío
d. el hijo de mi tia mi primo
e. el hijo de mi hija mi nieto
What I would put in it is culture and history. And to really spice it up use some words that you have learned on the side instead of just what was taught on the program
It means “ I love you “ in Spanish
He knows pedagogy and child psychology. H has affinity and a lot of patience with children.e