Yes relajarse is the corresct answer
I've been to Mexico and both question 1 and 4 sounds about right. but I would go more with Number 4.
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!
Answer:
In the following sentences, how many nouns are there? Sofia reads her storybook / my sister is a nurse
<span>the correct conjugation is pueden</span>
