Which verbs agrees in number with its subject? The cost of eggs ........... about three dollars a dozen.
a. Is
b. Were
c. Are
d. Have been

Respuesta :

the subject of the sentence, 'The cost (of eggs)" is singular, so we need a verb in singular too. the only such verb is a. is, so that's the correct answer.

Since "the cost of eggs" is singular, a. is agrees with it and is the correct answer.

Good Luck