Do you have any multiple choice answers?
Answer: Mis amigos compreden la tarea.
Explanation: The ending for they/them for -er verbs is -en. Replace the er with en and you get comprenden.
Answer:
Citizens would find a way to discover them ethier way buyt if it were to be impossible, there would probably be lots of war beacuse veryone would be in one place.
Explanation:
Im not usre if this is what you meant but eh