One bright day a young man wandered upon a pennant in his grandfathers trunk.which had been stored for years.he was helping his grandmother clean up the attic in their 160 year old house after his grandfather had passed away a few months ago.all of a sudden he duly Acura in his stomach he looked around and seen nothing so he went on with his work.
Our homework is corrected by the teacher
Although the teacher is doing the action, the subject of the sentence is "our homework". It also uses a form of to be (in this case it is "is"). Both of these things are what makes a passive sentence.
Hope this helped!
I think that the simplest yet understandable sentence is the final choice: Everyone worked quietly. Hope that helps you.