Fill in the blank with the most suitable verb:
Where ________ you yesterday?
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 D is correct as the subject is you and yesterday suggests the use of past tense
The other options are wrong as the main verb is meaning and therefore be is used as a main verb in the past tense (third form).
The correct answer is D)were