Fill in the blank with the most suitable verb:
_________ you speak three languages?
A verb is used to express an occurrence, action, or state. It is the grammatical centre of the predicate in a sentence.
An auxiliary verb is a verb which gives is used in the formation of tenses, moods, tones, etc.
Option A is correct as the subject is you and speak three languages indicates the use of simple present tense in the question.
The other options are wrong as no other tense other than simple present tense can be used here.
The correct answer is A)do