Brett's teacher has asked him to maintain an active voice in the summary.
Which revision should Brett make?
1. Last summer, I happily volunteered at the library. (Sentence 1)
2.
I was asked by the head librarian to perform a list of duties. (Sentence 2)
3. l assisted with the toddler story hour, which happens in the morning. (Sentence 3)
4. I also re-shelved most of the books. (Sentence 4)