Question

fix any errors with subject - verb agreement below. click submit answer if there are none.
the opera singers, accompanied by jack arenas, fills the stage with beautiful music.

Explanation:

The subject of the sentence is the plural noun phrase "the opera singers". The phrase "accompanied by Jack Arenas" is a prepositional phrase that does not change the number of the subject. Therefore, the verb must be the plural form "fill" to agree with the plural subject.

Answer:

The opera singers, accompanied by Jack Arenas, fill the stage with beautiful music.