Question

The audience waited with______________ breath for the soprano to reach the high note.

Answer 1

Bated is the answer.
The audience waited with bated breath for the soprano to reach the high note.

Answer 2

Bated is the answer.  

The audience waited with bated breath for the soprano to reach the high note.

This is a phrase and you need to change the voice of this sentence.

Phrases do not include the subject verb pairing necessary to make the sentence and you can find prepositional phrases like after the meal.

In this case, you cannot insert other words except no improvement.