Los amigos son simpáticos.
Los because you can see amigos has an O and not an A ; also simpáticos has an O and not an A which indicates it is masculine and Los is masculine, Las is not
Question:1: C
Question 2: B
Question 3: B
Question 4: C
This is for reading lvl 1070L
It is A, totumo is the smallest volcano in the country.
Ira sound right im a fluent spanish speaker