Verbs in the perfect form use a form of "have" or "had" + the past participle. I believe the answer in this case is "have+been+verb"
It’s valuable because gold is of value
The correct answers are options two and four.
In the excerpt from "Enrique's Journey," the author depicts the adversities the protagonist will come up against once in Chiapas. For example, he uses the migrants' expression "the beast" to refer to thieves, street gangs and the police.
Finally, even though Enrique knows the challenges he must confront, he is still determined to go through them in order to find his mother.
They all need to have their last names.