For this case, what we should do is find a verb in Spanish that has the following ending:
"er"
The verb must have 7 letters in total.
The verb in Spanish is:
Atender
The sentence in English is:
The boys should attend to the teacher as Mr. rios
The translation in Spanish is:
Los chicos deben atender al profesor como el sr. rios
Answer:
Atender
Los chicos deben atender al profesor como el sr. rios