Question

1. which of these sentences uses a passive voice? she read the book carefully. they went to the beach. the last piece of pie was eaten. he tore the paper in half.

Explanation:

In a passive - voice sentence, the subject receives the action of the verb. "The last piece of pie was eaten" has the subject "the last piece of pie" which is the receiver of the action "eaten". The other sentences are in active voice where the subject performs the action.

Answer:

The last piece of pie was eaten.